Below is every ingredient in Fixderma C Enhance 25 Serum For Glowing Skin 25 Vitamin C Reduces Fine Lines Skin explained, its standout actives, and the side effects reported in research for those actives — analysed for Indian skin.
Flags derived from the ingredient list using dermatology reference data (fungal-acne substrate, comedogenicity, EU allergens). General guidance, not a diagnosis.
Answers are derived from the printed ingredient list and dermatology reference data — general guidance, not a diagnosis or a therapeutic claim.
Ascorbic acid (vitamin C) is a water-soluble antioxidant used in skincare to neutralize free radicals, inhibit melanin synthesis, and support collagen production. It is valued for brightening, evening skin tone, and protecting against photodamage when used alongside sunscreen.
Ferulic acid is a plant-derived phenolic antioxidant that neutralizes free radicals and helps protect skin from UV-induced oxidative damage. It is frequently combined with vitamins C and E to enhance their stability and photoprotective effect.
Tocopheryl acetate is a stable, esterified form of vitamin E used in skincare as an antioxidant and conditioning agent. It is converted to active tocopherol in the skin, helping protect against oxidative stress and supporting the skin barrier.
Corthellus (Lentinula edodes/Shiitake) mushroom extract is used in skincare for its content of polysaccharides, kojic acid, and antioxidant compounds, offering soothing, brightening, and conditioning effects. It is often included to support skin tone evenness and provide mild antioxidant protection.
Glycyrrhiza Glabra (licorice) Root Extract is a botanical ingredient containing glycyrrhizin and glabridin, valued for its anti-inflammatory and skin-brightening properties. It is commonly used to calm irritation, reduce redness, and help fade hyperpigmentation by inhibiting tyrosinase activity.
Hyaluronic acid is a glycosaminoglycan that attracts and binds water to the skin, helping to maintain hydration and improve the appearance of plumpness and smoothness. It is widely used in moisturizers and serums and is generally well tolerated across skin types.
Aggregated from the active ingredients in this product.
| Reported effect | How often | Notes |
|---|---|---|
| Irritation or sensitivity | Very rare | Purified water itself is essentially inert; rare reactions are attributable to contaminants or accompanying ingredients rather than water. |
| Transepidermal water loss aggravation in compromised skin | Rare | Evaporation of water from products may transiently increase dryness in very compromised skin barriers if occlusives are absent. |
| Mild stinging or tingling on application | Common | More likely at higher concentrations or low pH, and on sensitive or compromised skin. |
| Transient redness (erythema) | Uncommon | Usually temporary and resolves after acclimation or reducing frequency. |
| Dryness or skin irritation | Uncommon | Can occur with frequent use or in combination with other actives. |
| Allergic contact dermatitis | Rare | True hypersensitivity to ascorbic acid is infrequent; patch testing can confirm. |
| Yellow-orange skin staining from oxidized product | Rare | Caused by degraded (oxidized) formulations rather than the fresh active itself. |
| Mild transient skin irritation or stinging | Uncommon | More likely in formulations with low pH or in sensitive skin |
| Redness or erythema | Uncommon | Usually mild and resolves after discontinuation |
| Discoloration of product (yellowing/oxidation) | Common | A stability issue rather than a skin reaction; does not indicate harm |
| Contact dermatitis (irritant or allergic) | Uncommon | Reported in patch-test studies, more often with leave-on or high-concentration products. |
| Allergic contact dermatitis with eczematous reaction | Rare | Documented sensitization to vitamin E derivatives in case reports. |
| Erythema multiforme-like or widespread eruptions | Very rare | Isolated case reports following topical application. |
| Folliculitis or comedogenic reactions | Rare | Possible in acne-prone individuals due to oily vehicle. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.
| Ingredient | What it does |
|---|---|
| Aqua Solvent / vehicle | Aqua (water) is the most common base ingredient in skincare formulations, serving as a solvent that dissolves water-soluble components and forms the medium for emulsions. It has no direct treatment activity and primarily contributes to texture, spreadability, and product delivery. |
| Ascorbic Acid Key active Antioxidant / brightening active | Ascorbic acid (vitamin C) is a water-soluble antioxidant used in skincare to neutralize free radicals, inhibit melanin synthesis, and support collagen production. It is valued for brightening, evening skin tone, and protecting against photodamage when used alongside sunscreen. |
| Ferulic Acid Key active Antioxidant | Ferulic acid is a plant-derived phenolic antioxidant that neutralizes free radicals and helps protect skin from UV-induced oxidative damage. It is frequently combined with vitamins C and E to enhance their stability and photoprotective effect. |
| Tocopheryl Acetate Key active Antioxidant | Tocopheryl acetate is a stable, esterified form of vitamin E used in skincare as an antioxidant and conditioning agent. It is converted to active tocopherol in the skin, helping protect against oxidative stress and supporting the skin barrier. |
| Corthellus Shiitake Extract Key active Antioxidant/skin-conditioning extract | Corthellus (Lentinula edodes/Shiitake) mushroom extract is used in skincare for its content of polysaccharides, kojic acid, and antioxidant compounds, offering soothing, brightening, and conditioning effects. It is often included to support skin tone evenness and provide mild antioxidant protection. |
| Hydrolyzed Collagen Humectant / skin-conditioning agent | Hydrolyzed collagen is collagen broken down into smaller peptides and amino acids, used in topical formulations to attract and bind water and improve skin surface smoothness and hydration. It functions primarily as a moisturizer and film-former rather than rebuilding the skin's own collagen. |
| Glycyrrhiza Glabra Root Extract Key active Soothing / brightening agent | Glycyrrhiza Glabra (licorice) Root Extract is a botanical ingredient containing glycyrrhizin and glabridin, valued for its anti-inflammatory and skin-brightening properties. It is commonly used to calm irritation, reduce redness, and help fade hyperpigmentation by inhibiting tyrosinase activity. |
| Ethoxydiglycol Solvent / penetration enhancer | Ethoxydiglycol (diethylene glycol monoethyl ether) is a glycol ether used in cosmetic formulations primarily as a solvent and viscosity reducer that helps dissolve active ingredients and improve their skin penetration. It is considered a formulation aid rather than a therapeutic active. |
| Propanediol Humectant/solvent | Propanediol is a plant-derived glycol used in skincare as a humectant, solvent, and penetration enhancer that improves moisturization and the spreadability of formulations. It also helps solubilize other ingredients and can boost the efficacy of certain actives. |
| Polyacrylate-13 Rheology modifier / thickener | Polyacrylate-13 is a synthetic acrylate copolymer used as a thickening, stabilizing, and emulsifying agent in cosmetic formulations. It helps create stable gels and emulsions and improves product texture without contributing to active treatment effects. |
| Polyisobutene Emollient/film-former | Polyisobutene is a synthetic hydrocarbon polymer used in cosmetics as an emollient, thickener, and film-forming agent that imparts smooth texture, adhesion, and improved spreadability. It is commonly found in long-wear makeup, lip products, and sunscreens to enhance water resistance and product longevity. |
| Polysorbate 20 Emulsifier / solubilizer | Polysorbate 20 is a nonionic surfactant derived from sorbitol and lauric acid, used in skincare to solubilize fragrances and essential oils and to stabilize oil-in-water emulsions. It functions primarily as a formulation aid rather than a treatment active. |
| Caprylhydroxamic Acid Preservative / chelating agent | Caprylhydroxamic acid is a glycine-derived hydroxamic acid used primarily as a preservative and chelating agent in cosmetic formulations, where it helps control microbial growth (especially fungi) and stabilizes products by binding trace metal ions. It is typically used in combination with other preservatives such as glycols and is effective across a relatively wide pH range. |
| Caprylyl Glycol Humectant / skin-conditioning agent and preservative booster | Caprylyl glycol is a multifunctional emollient and humectant derived from caprylic acid that helps hydrate skin and enhance the efficacy of preservatives in formulations. It is widely used as a stabilizing and conditioning base ingredient rather than a therapeutic active. |
| Glycerin Humectant | Glycerin is a widely used humectant that attracts and retains water in the skin, helping to hydrate the stratum corneum and support barrier function. It is considered safe and well-tolerated across most skin types and concentrations. |
| Fragrance Fragrance/masking agent | Fragrance refers to a blend of natural or synthetic aromatic compounds added to skincare products to impart a pleasant scent or mask the odor of other ingredients. It serves a sensory and formulation purpose rather than a therapeutic one. |
| Hyaluronic Acid Key active Humectant / hydrating agent | Hyaluronic acid is a glycosaminoglycan that attracts and binds water to the skin, helping to maintain hydration and improve the appearance of plumpness and smoothness. It is widely used in moisturizers and serums and is generally well tolerated across skin types. |
| Disodium EDTA Chelating agent | Disodium EDTA is a chelating agent used in cosmetics to bind metal ions, improving product stability, preventing rancidity, and enhancing the efficacy of preservatives. It is a formulation/base ingredient rather than a treatment active. |
Key active = does the main work. Ingredient explanations are drawn from public databases & literature.
Peer-reviewed papers on the active ingredients in this product, via PubMed.