Deau Skin Care
Glossary 101
3-O-Ethyl-ascorbic acid
3-O-Ethyl Ascorbic Acid is a next-generation, stabilized form of Vitamin C that stands out for its high bioavailability and stability. It is a water- and oil-soluble derivative, meaning it penetrates...
Acerola Fruit Extract
Derived from the acerola cherry, this extract helps to brighten the skin, reduce the appearance of dark spots, and improve overall radiance. Its powerful antioxidants protect the skin from environmental...
Acetyl Hexapeptide-8
often referred to as a “botox-like” peptide, is a powerful anti-aging ingredient that helps to reduce the appearance of fine lines and wrinkles. It works by inhibiting the signals that...
Allantoin
Allantoin is a soothing and healing ingredient widely used in skincare for its ability to promote skin repair and hydration. Derived from the comfrey plant or synthesized in laboratories, allantoin...
Aloe Vera
Aloe vera is a versatile and powerful skincare ingredient renowned for its soothing, hydrating, and healing properties. Extracted from the succulent leaves of the aloe vera plant, this gel-like substance...
Alpha Arbutin
Alpha arbutin is a skin-brightening agent derived from the natural compound arbutin, found in various plants like bearberry and blueberry. It functions by inhibiting the enzyme tyrosinase, which is crucial...
Alpinia Speciosa Flower/Leaf/Stem Water
Extracted from the tropical Alpinia Speciosa plant, offers a range of benefits for the skin due to its soothing and hydrating properties. This ingredient is rich in antioxidants, which help...
Angelica keiskei leaf/stem extract
Angelica keiskei leaf/stem extract, derived from the Japanese herb known as Ashitaba, is celebrated for its powerful antioxidant and anti-inflammatory properties. This extract helps to protect the skin from oxidative...
Ascorbic Acid (Vitamin C)
Powerhouse ingredient in skincare renowned for its potent antioxidant properties and its ability to brighten and even out skin tone. It neutralizes free radicals caused by UV exposure and pollution,...
Ascorbyl Glucoside
Water-soluble form of Vitamin C that provides a multitude of skin benefits. As a potent antioxidant, it helps protect the skin from environmental stressors and free radical damage. This ingredient...
Ascorbyl Palmitate
A stable, fat-soluble form of Vitamin C, offering a range of skin benefits due to its antioxidant and protective properties. As a potent antioxidant, it helps to neutralize free radicals,...
Ascorbylmethylcarbonyl Pentapeptide-72 Tri-t-Butyl Tryptophanamide
Ascorbylmethylcarbonyl Pentapeptide-72 Tri-t-Butyl Tryptophanamide is a cutting-edge, multi-functional peptide complex that combines the brightening power of Vitamin C derivatives with the skin-repairing benefits of peptides. This advanced ingredient is designed...
Azelaic acid
Azelaic acid is a versatile skincare ingredient known for its brightening and anti-inflammatory properties. It works by inhibiting the enzyme tyrosinase, which reduces melanin production and helps to fade hyperpigmentation...
Bakuchiol
Plant-derived compound hailed as a natural alternative to retinol, offering similar anti-aging benefits without the irritation commonly associated with traditional retinoids. Extracted from the seeds of the Psoralea corylifolia plant,...
Bamboo Sap Extract
Harvested from the inner layers of bamboo stalks, is celebrated for its hydrating and revitalizing properties. Rich in silica, a mineral essential for skin health, bamboo sap helps to improve...
Bearberry extracts
Bearberry extract, obtained from the leaves of the bearberry plant (Arctostaphylos uva-ursi), is renowned for its skin-brightening and astringent properties. It contains arbutin, a natural compound that inhibits melanin production,...
Burdock root extract
Extracted from the burdock plant's root, it helps purify and refine the skin by drawing out impurities and excess oil. Its rich content of antioxidants and anti-inflammatory compounds aids in...
Caffeine
Offers significant benefits in skincare due to its ability to reduce puffiness and dark circles by constricting blood vessels and minimizing fluid retention. This makes it particularly effective in eye...
Calendula extract
Renowned for its soothing, anti-inflammatory, and skin-healing properties. Rich in flavonoids, carotenoids, and essential oils, calendula extract helps to calm irritated and sensitive skin, reducing redness and swelling. Its natural...
Centella asiatica
Centella Asiatica, often known as Gotu Kola or "cica," is a highly regarded botanical ingredient in skincare due to its remarkable healing, soothing, and anti-aging properties. Rich in triterpenoids, antioxidants,...
Ceramides
Ceramides are essential lipids found naturally in the skin’s outer layer, playing a crucial role in maintaining its barrier function and overall health. They are lipid molecules that help to...
Chamomile extract
Renowned in skincare for its powerful calming and anti-inflammatory properties. Rich in antioxidants like apigenin, quercetin, and patuletin, chamomile helps soothe irritated and sensitive skin, reducing redness and swelling. Its...
Cherry Blossom/Japanese Sake Extract
Cherry Blossom/Japanese Sake Extract is a unique combination of two powerful ingredients that deliver exceptional benefits to the skin. Cherry Blossom, known for its calming and soothing properties, helps to...
Citric acid
Citric Acid gently dissolves dead skin cells on the surface, promoting a smoother texture and a more radiant complexion. This exfoliating action helps to improve skin clarity, reduce the appearance...
Citrus Aurantifolia (Lime) Juice
Citrus Aurantifolia (Lime) Juice is a refreshing ingredient known for its brightening and exfoliating benefits. Rich in Vitamin C, it helps to brighten the skin, reduce dark spots, and enhance...
Citrus Aurantium Dulcis (Orange) Juice
Popular skincare ingredient celebrated for its brightening and refreshing properties. Rich in Vitamin C, it helps to brighten the complexion, reduce the appearance of dark spots, and enhance overall radiance....
Citrus Depressa Peel Extract (Shiikuwasa)
Extracted from the peel of the Shiikuwasa fruit, this extract is rich in Vitamin C and flavonoids, which help to brighten the skin and reduce the appearance of dark spots...
Citrus Paradisi (Grapefruit) Fruit Extract
Citrus Paradisi (Grapefruit) Fruit Extract is a vibrant ingredient known for its refreshing and invigorating properties. Rich in antioxidants and Vitamin C, it helps to brighten the complexion, reduce the...
Coenzyme Q10 (CoQ10)
Powerful antioxidant naturally found in the body's cells that plays a crucial role in energy production and cellular repair. In skincare, CoQ10 helps to neutralize free radicals and protect the...
Colloidal Oatmeal
Made from finely ground oats, is a soothing ingredient widely used in skincare for its exceptional calming and moisturizing properties. It forms a protective barrier on the skin, helping to...
Copper Peptides
Naturally occurring proteins composed of copper ions bound to peptide chains. These compounds are renowned for their powerful regenerative and healing properties in skincare. Copper peptides help stimulate the production...
Crataegus Cuneata Fruit Extract (Sanzashi)
Sanzashi, is a valuable skincare ingredient renowned for its antioxidant and anti-inflammatory benefits. Extracted from the fruit of the hawthorn plant, Sanzashi helps to protect the skin from oxidative stress...
Cysteamine
Sulfur-containing amino acid that has been studied primarily for its potential benefits in dermatology. It is often used in cosmetic formulations for its ability to inhibit the enzyme responsible for...
Dimethicone
Dimethicone is a silicone-based ingredient known for its smooth, silky texture and skin-protective benefits. It forms a barrier on the skin's surface that helps to lock in moisture, providing long-lasting...
Dipotassium Glycyrrhizate
a salt derived from glycyrrhizinic acid found in licorice root, is celebrated for its soothing and anti-inflammatory properties. This ingredient is highly effective in calming irritated or sensitive skin, making...
Elderflower extract
Elderflower extract is a natural powerhouse for soothing and refreshing the skin. Known for its anti-inflammatory properties, it helps calm irritation and redness, making it a great choice for sensitive...
Ellagic Acid
Potent antioxidant derived from various fruits and vegetables, known for its ability to neutralize free radicals and protect the skin from oxidative stress. By combating environmental damage, Ellagic Acid helps...
Ferulic acid
Potent antioxidant found naturally in the cell walls of fruits, vegetables, and grains, celebrated for its ability to enhance the efficacy of other antioxidants in skincare. It protects the skin...
Fragaria Ananassa (Strawberry) Seed Extract
Fragaria Ananassa (Strawberry) Seed Extract is a nutrient-rich ingredient celebrated for its powerful antioxidant and skin-nourishing properties. Packed with essential fatty acids, vitamins, and polyphenols, this extract helps to protect...
Ginseng Extracts
Derived from the root of the Panax ginseng plant, known for its adaptogenic and restorative properties. This herbal extract is widely used in skincare and wellness products for its potential...
Glycerin
A highly effective and versatile humectant used widely in skincare for its superior hydrating properties. As a natural byproduct of fats and oils, glycerin attracts water from the environment into...
Glycolic acid
Glycolic acid is an alpha-hydroxy acid (AHA) renowned for its exfoliating properties and ability to enhance skin texture. Derived from sugar cane, it works by loosening the bonds between dead...
Green tea extracts
Green tea extract is a potent ingredient known for its powerful antioxidant and anti-inflammatory properties. Derived from the leaves of the Camellia sinensis plant, it contains polyphenols such as epigallocatechin...
Honeysuckle Extract
Valued in skincare for its soothing, anti-inflammatory, and antioxidant properties. It contains natural compounds that help calm irritated skin, reduce redness, and protect against environmental stressors. Rich in essential oils...
Houttuynia Cordata Extract (Dokudami)
A revered botanical ingredient in skincare for its powerful anti-inflammatory and antimicrobial properties. Extracted from the Houttuynia Cordata plant, this ingredient is particularly beneficial for calming and soothing irritated or...
Hyaluronic Acid
Hyaluronic acid is a naturally occurring substance in the skin known for its exceptional hydrating properties. It acts as a powerful humectant, attracting and retaining moisture from the environment into...
Japanese Camellia (Tsubaki) oil
Luxurious oil extracted from the seeds of the Camellia japonica plant. Renowned for its high concentration of oleic acid, antioxidants, and vitamins A, C, and E, Tsubaki oil offers exceptional...
Jojoba oil
Versatile and nourishing oil that closely resembles the skin's natural sebum. This similarity allows jojoba oil to effectively balance oil production, making it suitable for both dry and oily skin...
Kojic Acid
Kojic acid is a popular skincare ingredient known for its skin-brightening effects. Derived from fungi, it works primarily by inhibiting the enzyme tyrosinase, which is crucial in the production of...
L-arginine
An amino acid that plays a crucial role in promoting skin health and vitality. As a key component in the production of nitric oxide, L-arginine helps to enhance blood circulation...
Lactic acid
An alpha-hydroxy acid (AHA) commonly used in skincare for its exfoliating and hydrating properties. Derived from milk or fermented foods, it gently dissolves the bonds between dead skin cells on...
Licorice extract
Derived from the Glycyrrhiza glabra plant, is a multifaceted ingredient celebrated in skincare for its brightening, soothing, and anti-inflammatory properties. Rich in glabridin, it effectively inhibits the enzyme responsible for...
Lotus root extract
Valued for its hydrating, antioxidant, and soothing properties. Rich in vitamins B and C, as well as essential minerals like potassium and magnesium, it helps to nourish and rejuvenate the...
Magnesium Ascorbyl Phosphate
Stable, water-soluble derivative of vitamin C, known for its brightening and antioxidant properties in skincare. Unlike pure ascorbic acid, MAP is less prone to oxidation, making it more stable and...
Mandelic acid
Derived from bitter almonds, is a gentle yet effective alpha hydroxy acid (AHA) that works wonders in skincare. Its larger molecular structure compared to other AHAs allows for a slower,...
Marine Collagen
A bioactive protein known for its exceptional ability to support skin health and elasticity. Rich in type I collagen, which is the most abundant form of collagen in the skin,...
Mugwort extract (Artemisia Princeps Leaf Extract)
Renowned for its calming, anti-inflammatory, and antioxidant properties. It is rich in essential oils, flavonoids, and vitamins, which help to soothe irritated skin, reduce redness, and protect against environmental stressors....
Mulberry Extract
Derived from the roots, bark, or leaves of the mulberry tree, is a popular ingredient in skincare known for its brightening and anti-aging properties. It contains compounds like arbutin, which...
N-acetyl Glucosamine
Skin-replenishing ingredient derived from glucose, known for its multifaceted benefits in skincare. It plays a significant role in the production of hyaluronic acid, which helps maintain skin hydration and elasticity....
Niacinamide
Niacinamide, also known as Vitamin B3, is a powerhouse ingredient in skincare celebrated for its ability to enhance skin radiance and even out skin tone. It works by inhibiting melanin...
Oligopeptides
Small chains of amino acids that play a vital role in supporting skin rejuvenation and repair. These peptides are known for their ability to penetrate the skin and stimulate collagen...
Palmitoyl Tripeptide-5
Powerful peptide that plays a key role in promoting skin firmness and reducing the visible signs of aging. This peptide works by mimicking the body’s natural processes to stimulate collagen...
Panthenol
Panthenol, also known as provitamin B5, is a highly effective moisturizing and soothing ingredient used in skincare. It penetrates deep into the skin, where it is converted into pantothenic acid,...
Pearl Powder
Made from finely ground pearls, is a luxury ingredient used in skincare for its rich composition of amino acids, minerals, and proteins. It is celebrated for its ability to promote...
Phytic Acid
Naturally occurring compound found in plants, known for its gentle yet effective exfoliating properties. It works as an alpha hydroxy acid (AHA) to help dissolve dead skin cells and promote...
Pomegranate extract
Pomegranate extract is a skincare gem renowned for its powerful antioxidant properties. Rich in polyphenols and vitamins, this extract helps combat oxidative stress and protect the skin from environmental damage,...
Potentilla Miyabei Callus Extract
Plant-based ingredient known for its remarkable soothing and antioxidant properties. Derived from the Potentilla Miyabei plant, this extract helps to calm and protect the skin, making it an ideal choice...
Prunus Lannesiana Flower Extract
Derived from the cherry blossom tree, is celebrated for its skin-soothing and antioxidant-rich properties. This extract helps to calm and reduce redness, making it particularly beneficial for sensitive or irritated...
Pyrus Malus (Apple) Fruit Extract
Pyrus Malus (Apple) Fruit Extract is a versatile ingredient known for its gentle exfoliating and hydrating properties. Rich in vitamins, antioxidants, and natural acids, this extract helps to brighten the...
Resorcinol
Functions by inhibiting the enzyme tyrosinase, which is crucial in the production of melanin, thereby reducing dark spots and evening out skin tone. Resorcinol also has exfoliating properties, promoting cell...
Resveratrol
Resveratrol is valued for its ability to combat signs of aging by reducing the appearance of fine lines and wrinkles, improving skin elasticity, and enhancing overall skin texture. Additionally, its...
Retinaldehyde
Unlike other retinoids, retinaldehyde is one metabolic step away from retinoic acid, making it highly effective while still being gentler on the skin. It promotes cell turnover, which helps to...
Retinol
Derivative of vitamin A, retinol is a powerful anti-aging ingredient that accelerates cell turnover, boosts collagen production, and reduces the appearance of wrinkles, fine lines, and hyperpigmentation. It also helps...
Rice Bran (Oryza Sativa) Extract
Derived from the outer layer of rice grains and is celebrated for its nourishing and protective properties. Rich in vitamins (such as B vitamins and vitamin E), minerals, antioxidants, and...
Rosa Hybrid Flower Extract
Rosa Hybrid Flower Extract is a luxurious skincare ingredient derived from hybrid roses, known for their soothing, hydrating, and antioxidant-rich properties. This extract is celebrated for its ability to calm...
Rosa Rugosa Flower Extract
Rosa Rugosa Flower Extract, derived from the rugged rose species, is renowned for its soothing and antioxidant-rich properties. This extract helps to calm and hydrate the skin, making it ideal...
Rosehip oil
Powerhouse of skin-nourishing benefits known for its rich content of essential fatty acids, vitamins A and C, and antioxidants. It deeply hydrates and revitalizes the skin, promoting a smoother texture...
Saccharomyces Ferment Filtrate
Saccharomyces Ferment Filtrate is a fermented yeast extract renowned for its skin-rejuvenating benefits. Rich in nutrients, enzymes, and bioactive compounds, this ingredient helps to enhance the skin's natural barrier function,...
Saccharomyces/Day Lily Flower Ferment Filtrate
Saccharomyces/Day Lily Flower Ferment Filtrate is a unique skincare ingredient that combines the soothing properties of Day Lily Flower with the skin-nourishing benefits of fermented ingredients. This ferment filtrate is...
Saffron Extracts
Derived from the dried stigma of the Crocus sativus flower, is renowned for its vibrant color and potent antioxidant properties. It contains compounds like crocin, picrocrocin, and safranal, which contribute...
Sake Extract
Sake extract, derived from the fermentation of rice to produce sake, is rich in nutrients like amino acids, vitamins, and minerals. Known for its hydrating and brightening properties, it helps...
Sakura (Cherry Blossom) Extracts
Derived from the blossoms of the cherry blossom tree (Prunus serrulata), is celebrated in skincare for its gentle, soothing, and brightening properties. Rich in antioxidants, vitamins, and minerals, sakura extract...
Salicylic acid
Salicylic acid is a widely used skincare ingredient known for its ability to treat acne and exfoliate the skin. As a beta-hydroxy acid (BHA), it penetrates deeply into the pores...
Saxifraga Sarmentosa Extract
Derived from the Saxifraga Sarmentosa plant, is a highly beneficial ingredient known for its skin-brightening and antioxidant properties. This extract is rich in natural compounds that help to improve skin...
Sea buckthorn oil
Extracted from the berries and seeds of the seabuckthorn plant (Hippophae rhamnoides) and is renowned for its rich nutritional profile, including vitamins C and E, essential fatty acids, and antioxidants....
Sencha green tea extract
Derived from steamed and processed green tea leaves, is renowned for its potent antioxidant and anti-inflammatory properties. Rich in polyphenols, particularly catechins like EGCG (epigallocatechin gallate), sencha green tea extract...
Shea butter
Luxurious, nourishing emollient widely celebrated in skincare for its deeply hydrating and skin-repairing properties. Rich in essential fatty acids, vitamins A and E, and antioxidants, shea butter provides intense moisture,...
Soybean Extracts
Valued for their ability to nourish and rejuvenate the skin. They help to improve skin elasticity, reduce the appearance of fine lines and wrinkles, and provide hydration. The antioxidants in...
Squalane
Squalane is a hydrating and skin-softening ingredient derived from squalene, a natural lipid found in the skin's sebum. In its stabilized form, squalane is used in skincare for its exceptional...
Tea tree extract
Derived from the leaves of the Melaleuca alternifolia plant, is renowned for its powerful antibacterial and anti-inflammatory properties. It helps to combat acne-causing bacteria, reducing the frequency and severity of...
Tetrahexyldecyl Ascorbate (THDA)
Tetrahexyldecyl Ascorbate (THDA) is a stable, oil-soluble form of vitamin C widely used in skincare for its powerful antioxidant and brightening properties. Unlike traditional vitamin C (ascorbic acid), THDA is...
Tranexamic acid
Tranexamic acid is a powerful ingredient renowned for its effectiveness in brightening the skin and treating hyperpigmentation. Originally used in medical settings to reduce bleeding, it has been repurposed in...
Tumeric Extract
Derived from the turmeric root, this extract contains curcumin, a compound known for its ability to reduce redness and soothe irritated skin. Its strong antioxidant action helps to neutralize free...
Vitamin E (tocopherol)
A powerful antioxidant, plays a crucial role in skincare by protecting the skin from oxidative stress and environmental damage caused by free radicals. Free radicals are unstable molecules generated by...
White Birch Extract
Rich in betulin, betulinic acid, and antioxidants, it helps to strengthen the skin’s barrier, improve elasticity, and promote a healthy complexion. White birch extract also provides hydration and has anti-inflammatory...
Willow Bark Extract
Contains salicin, a compound that is chemically similar to aspirin, which gives it anti-inflammatory and analgesic properties. In skincare, willow bark extract is valued for its gentle exfoliating effect, as...
Xylitol
Natural sugar alcohol known for its hydrating and moisturizing properties. It functions as a humectant, attracting and retaining moisture in the skin to help maintain optimal hydration levels. This can...
Yuzu Extract
A citrus fruit native to East Asia. Known for its distinctive tangy and aromatic flavor, yuzu is rich in vitamin C, antioxidants, and essential oils. In skincare, yuzu extracts are...
Zinc Oxide
Particularly valued for its broad-spectrum sun protection and soothing properties. As a mineral sunscreen agent, it provides a physical barrier against UVA and UVB rays, helping to prevent sunburn and...
