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Cosmedix Elite Pepoxide Antioxidant Peptide Concentrate is a potent serum with 16 antioxidants and peptides to target visible signs of ageing.
This multivitamin concentrate helps protect the skin from environmental stress while brightening uneven skin tone and softening the appearance of fine lines and wrinkles. Ideal for prepping the skin before laser or post-peel treatments, it supports a smoother, firmer, more radiant complexion.
Packed with skin-loving vitamins and a peptide complex, Pepoxide promotes a healthier-looking skin barrier while helping to reduce the look of photodamage.
Perfect for those concerned with ageing, dullness, or pigmentation.
How To Use Cosmedix Elite Pepoxide Antioxidant Peptide Concentrate
- AM - Dispense one to two pumps of serum and apply to freshly cleansed and toned skin.
- PM - Dispense one to two pumps of serum and apply to freshly cleansed and toned skin.
Cosmedix Elite Pepoxide Antioxidant Peptide Concentrate Ingredients
Aqua/Water/Eau, Alcohol Denat., Glycerin, Cocos Nucifera (Coconut) Fruit Juice, Hydrolyzed Collagen, Mannitol, Gluconolactone, Caffeine, Superoxide Dismutase, Phenyl T-Butylnitrone (Spin Trap), Waltheria Indica Leaf Extract, Glutathione (L), Hamamelis Virginiana (Witch Hazel) Water, Polygonum Cuspidatum (Giant Knotweed) Extract, Silybum Marianum (Milk Thistle) Extract, Acetyl Hexapeptide-1, Dextran, Citrus Paradisi (White Grapefruit) Peel Oil, Cupressus Sempervirens (Cypress) Leaf/Nut/Stem Oil, Totarol, Xanthan Gum, Sodium Gluconate, Sodium Benzoate, Potassium Sorbate, Sodium Hydroxide, Polysorbate 20, Citric Acid, Sodium Citrate, Acetyl Tributyl Citrate, Astaxanthin, Quercetin, Dextrin, Ferulic Acid, Alcohol, Isopropyl Alcohol, Calcium Gluconate
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Aqua SolventsSolvent
The water base that carries and dissolves the other ingredients in most products.
May suitAll hair and skin types.
Worth knowingAlmost always the first ingredient listed in water-based products.
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Alcohol Denat. SolventsSolvent
A fast-evaporating solvent that helps dissolve ingredients and improve product dry time.
May suitPeople who use styling products that benefit from quick drying or a lightweight feel.
Worth knowingIts quick evaporation can help reduce residue and support a clean finish in styling formulas. Some may notice it can feel slightly drying in leave-in products depending on hair type.
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Glycerin HumectantsHumectant
Attracts and holds water to help hair feel hydrated and soft.
May suitDry or dehydrated hair, and many curl and moisture routines.
Worth knowingA very common, well-tolerated humectant used across countless products.
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Hydrolyzed Collagen Proteins and amino acidsStrengthening protein
A protein derivative that helps support hair strength and improve the feel of damaged strands.
May suitPeople with weakened, chemically treated, or brittle hair looking for a reinforcing ingredient.
Worth knowingHydrolysed proteins are broken into smaller fragments so they can more easily interact with the hair surface. They are commonly used to enhance conditioning performance alongside other moisturising ingredients.
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Mannitol HumectantsMoisture-binding agent
Mannitol helps attract and hold moisture to support hair and scalp hydration.
May suitThose looking for gentle hydration or formulas suited to dry or sensitive scalps.
Worth knowingIt is a sugar alcohol often used to support moisture balance and improve product texture. It can also contribute to overall formula stability.
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Gluconolactone HumectantsHumectant
Gluconolactone helps attract and hold moisture in hair and scalp.
May suitThose seeking gentle hydration or lightweight moisture support.
Worth knowingIt is part of the polyhydroxy acid (PHA) family and is known for being mild and suitable for many hair types. It can also support product stability and texture.
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Caffeine Anti-dandruff / scalp careScalp-support ingredient
Caffeine is used in haircare to help support scalp vitality and create an energised feel.
May suitPeople interested in scalp-focused formulas or products aimed at maintaining the appearance of fuller, energised hair.
Worth knowingIt is often included in shampoos, tonics and leave‑ins to complement other scalp-care ingredients. Its effects are generally most noticeable when used consistently.
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Superoxide Dismutase Conditioning agentsAntioxidant enzyme
An antioxidant enzyme that helps protect hair and scalp from oxidative stress.
May suitPeople interested in supportive scalp care or antioxidant-rich formulas.
Worth knowingIt is often included in advanced formulations to help maintain the stability of the product and support the scalp’s natural resilience. Its role is typically complementary rather than a primary performance driver.
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Phenyl T-Butylnitrone PreservativesAntioxidant
An antioxidant used to help protect formulas from oxidative degradation.
May suitThose interested in products designed to support formula stability or protect sensitive ingredients.
Worth knowingIt acts as a spin-trap antioxidant, helping maintain product freshness and performance over time.
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Glutathione Proteins and amino acidsAntioxidant
Acts as an antioxidant that helps support the stability and appearance of haircare formulations.
May suitPeople interested in antioxidant-rich or protective hair treatments.
Worth knowingGlutathione is a tripeptide naturally present in the body and is used in cosmetics for its supportive antioxidant properties. In haircare, it is typically included in small amounts to help maintain formula quality.
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Hamamelis Virginiana (Witch Hazel) Water Botanical extractsSoothing plant extract
A plant-derived water used to soothe the scalp and provide a mild astringent effect.
May suitThose looking for calming or refreshing scalp care benefits.
Worth knowingWitch hazel water is commonly included in hair and scalp formulas for its gentle toning properties. It can complement other scalp-balancing ingredients.
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Dextran Thickeners and stabilisersStabiliser and texture enhancer
A polysaccharide used to help stabilise formulas and improve product texture.
May suitThose who prefer products with a smoother, more uniform feel.
Worth knowingDextran can also support the performance of other ingredients by helping maintain an even consistency. It is commonly used in both skincare and haircare for its gentle, supportive role in formulations.
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Citrus Paradisi (Grapefruit) Peel Oil Fragrance ingredientsFragrance ingredient
Provides a fresh, citrus aroma and can offer light botanical benefits in haircare formulas.
May suitThose who enjoy citrus-scented hair products or prefer plant-derived fragrance sources.
Worth knowingAs an essential oil, it naturally contains components like limonene that contribute to its scent. Formulators may use it in small amounts to enhance sensory appeal.
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Xanthan Gum Thickeners and stabilisersThickener and stabiliser
Xanthan Gum helps thicken and stabilise haircare formulas for a smooth, consistent texture.
May suitPeople who prefer products with a richer or more gel-like texture.
Worth knowingIt is a polysaccharide widely used in cosmetics to keep formulas uniform and easy to apply. It works well alongside many other common ingredients.
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Sodium Gluconate Chelating agentsChelating agent
Helps bind metal ions in water and formulas to support stability and performance.
May suitThose living in hard-water areas or using products designed to maintain formula clarity and effectiveness.
Worth knowingBy binding minerals, it can help reduce the impact of hard water on hair feel and product behaviour. It is commonly used in modern, mild formulations.
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Sodium Benzoate PreservativesPreservative
Helps protect water-based products from spoilage so they stay usable.
May suitAll products that need a preservative system.
Worth knowingOften paired with other preservatives for broad protection.
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Potassium Sorbate PreservativesPreservative
Helps keep haircare formulas stable by preventing the growth of microbes.
May suitAnyone who uses water-based products that benefit from reliable preservation.
Worth knowingIt is commonly used alongside other preservation systems to maintain product freshness and extend shelf life. It is generally well tolerated in rinse-off and leave-in products.
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Sodium Hydroxide pH adjusterspH adjuster
Helps control and stabilise the pH of haircare formulations.
May suitThose interested in how product pH affects scalp comfort or hair cuticle behaviour.
Worth knowingIt is used in very small amounts to bring a formula to the desired pH range. Once adjusted, it does not act as a strong alkaline agent in the finished product.
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Polysorbate 20 Thickeners and stabilisersSolubiliser / emulsifier
Helps blend oil‑based ingredients into water‑based formulas for a smooth, even texture.
May suitThose using products with essential oils or fragranced blends, as it helps disperse these evenly.
Worth knowingIt is widely used as a gentle solubiliser in both leave‑in and rinse‑off products. Its presence can improve product consistency and prevent ingredient separation.
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Citric Acid pH adjusterspH adjuster
Fine-tunes the product pH, which can help the hair surface feel smooth.
May suitMost hair types as part of a balanced formula.
Worth knowingUsually present in small amounts to balance the formula.
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Sodium Citrate pH adjusterspH adjuster
Sodium Citrate helps maintain or adjust the pH of haircare formulas.
May suitAnyone using products designed to stay within a specific pH range, such as colour‑treated or chemically treated hair.
Worth knowingIt also has mild chelating abilities, helping formulas remain stable in the presence of minerals found in water. Its use supports the consistency and performance of many shampoos and conditioners.
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Acetyl Tributyl Citrate SolventsSolvent / plasticiser
Helps dissolve or disperse other ingredients and can contribute to flexible, smooth-feeling product textures.
May suitThose using styling or treatment products that rely on even ingredient distribution or flexible film formation.
Worth knowingIt is commonly used in cosmetic formulations as a plasticiser to improve spreadability and product performance. It is generally well tolerated in leave-on and rinse-off hair products.
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Dextrin Thickeners and stabilisersFilm-former / texture enhancer
Dextrin helps improve product texture and can provide light hold or structure to hair.
May suitPeople looking for gentle styling support or added volume without a heavy feel.
Worth knowingDextrin is a carbohydrate-based ingredient commonly derived from starch and is widely used for its versatile thickening and film-forming qualities.
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Ferulic Acid Botanical extractsAntioxidant
Ferulic acid is an antioxidant that helps support the stability and performance of haircare formulas.
May suitThose interested in antioxidant-rich or colour-protecting hair products.
Worth knowingIt is commonly derived from plant sources and is used to help protect formulas from oxidative degradation. Its supportive role can complement other antioxidant ingredients.
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Alcohol SolventsSolvent and drying agent
Helps dissolve other ingredients and can aid quick drying in styling products.
May suitThose using sprays or styling products that benefit from fast evaporation.
Worth knowingIn haircare, this typically refers to ethanol or denatured alcohol, which helps formulas feel lighter and dry faster. Its effect depends on the overall product balance and supporting conditioning ingredients.
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Isopropyl Alcohol SolventsSolvent
Helps dissolve ingredients and supports quick-drying formulas.
May suitThose using styling products that benefit from fast evaporation, such as sprays.
Worth knowingIt is commonly used at low levels to improve texture and spreadability. It evaporates quickly, leaving minimal residue on the hair.
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Calcium Gluconate HumectantsMoisture-supporting ingredient
Helps support moisture balance and maintain a smooth feel in hair and scalp products.
May suitThose seeking gentle hydration or products designed to leave hair feeling softer and more manageable.
Worth knowingIt is a mild ingredient often used to support conditioning or hydrating formulas. It can also contribute to overall product stability.