Below is every ingredient in Perenne Niacinamide Serum With Centella Asiatica For Reducing Acne Scars And Pigmentation 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.
Niacinamide (vitamin B3) is a water-soluble active that supports the skin barrier, regulates sebum, brightens hyperpigmentation, and reduces inflammation. It is widely tolerated across skin types and used in concentrations commonly ranging from 2% to 10%.
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.
Hexylresorcinol is a resorcinol derivative used in topical formulations to reduce hyperpigmentation by inhibiting tyrosinase and providing antioxidant activity. It is considered a gentler alternative to hydroquinone for evening skin tone.
Retinyl Propionate is an ester of vitamin A (retinol) that is converted in the skin to retinoic acid, supporting cell turnover and collagen production. It is considered a milder, more stable retinoid used to improve signs of photoaging.
Aggregated from the active ingredients in this product.
| Reported effect | How often | Notes |
|---|---|---|
| Mild skin irritation | Rare | Occasional transient redness or discomfort, typically in sensitive skin. |
| Allergic contact dermatitis | Very rare | Isolated case-type sensitization reports; generally considered low risk. |
| Comedogenicity (pore clogging) | Uncommon | May contribute to breakouts in acne-prone individuals depending on formulation. |
| 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 transient stinging or irritation | Uncommon | More likely at high concentrations or on compromised/broken skin. |
| Tacky or sticky skin feel | Common | A cosmetic sensation rather than an adverse reaction, more noticeable at higher concentrations. |
| Contact dermatitis or allergic reaction | Rare | True allergy to glycerin is uncommon; patch-test positivity is infrequent. |
| Skin dehydration in very low humidity | Rare | In very dry environments humectants may draw water from deeper skin layers if not paired with an occlusive. |
| Mild contact irritation | Rare | Occasional redness or stinging, usually in sensitive or compromised skin. |
| Comedogenicity / clogged pores | Rare | Generally low comedogenic potential, but acne-prone individuals may occasionally react. |
| Mild transient flushing or redness | Uncommon | More likely at higher concentrations or in sensitive skin; usually subsides quickly. |
| Tingling, stinging, or burning sensation | Uncommon | Often associated with higher percentages or compromised barrier. |
| Contact irritation or itching | Rare | Generally dose-dependent and resolves with discontinuation. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.
| Ingredient | What it does |
|---|---|
| Isodecyl Neopentanoate Emollient/skin-conditioning agent | Isodecyl Neopentanoate is a lightweight ester emollient used to soften skin and improve spreadability and texture in cosmetic formulations. It imparts a dry, silky feel and serves as a base ingredient rather than a treatment active. |
| 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. |
| 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. |
| Caprylic/Capric Triglyceride Emollient / skin-conditioning agent | Caprylic/Capric Triglyceride is a lightweight emollient derived from coconut or palm oil and glycerin, used to soften skin, improve spreadability, and act as a solvent for oil-soluble ingredients. It is well-tolerated and serves primarily as a base ingredient rather than an active. |
| Niacinamide Key active Cell-communicating / barrier-repair active | Niacinamide (vitamin B3) is a water-soluble active that supports the skin barrier, regulates sebum, brightens hyperpigmentation, and reduces inflammation. It is widely tolerated across skin types and used in concentrations commonly ranging from 2% to 10%. |
| 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. |
| Caprylyl/Capryl Glucoside Surfactant/cleanser | Caprylyl/Capryl Glucoside is a mild, biodegradable nonionic surfactant derived from coconut/palm-based fatty alcohols and glucose, used as a gentle cleansing and foaming agent. It is valued for its low irritation potential and suitability for sensitive-skin and baby cleansing formulations. |
| Phenoxyethanol Preservative | Phenoxyethanol is a widely used broad-spectrum preservative that protects cosmetic and skincare formulations from bacterial and fungal contamination. It is typically used at concentrations up to 1% and serves as a formulation/base ingredient rather than an active treatment. |
| Hexylresorcinol Key active Skin-brightening / antioxidant agent | Hexylresorcinol is a resorcinol derivative used in topical formulations to reduce hyperpigmentation by inhibiting tyrosinase and providing antioxidant activity. It is considered a gentler alternative to hydroquinone for evening skin tone. |
| Sodium Chloride Thickener / viscosity adjuster | Sodium chloride (table salt) is commonly used in cosmetics as a thickening and viscosity-control agent, particularly in surfactant-based cleansers, and also acts as a mild abrasive in scrubs. It is generally well tolerated and considered a formulation ingredient rather than a treatment active. |
| Retinyl Propionate Key active Retinoid (anti-aging active) | Retinyl Propionate is an ester of vitamin A (retinol) that is converted in the skin to retinoic acid, supporting cell turnover and collagen production. It is considered a milder, more stable retinoid used to improve signs of photoaging. |
| Cocamide MEA Foaming agent / surfactant | Cocamide MEA (Cocamide monoethanolamide) is a coconut oil-derived non-ionic surfactant used in cleansers and shampoos as a foam booster, viscosity enhancer, and emulsion stabilizer. It is a formulation/base ingredient rather than a treatment active. |
| Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate Antioxidant/stabilizer | Pentaerythrityl Tetra-di-t-butyl Hydroxyhydrocinnamate is a hindered-phenol antioxidant (also known as the industrial stabilizer Irganox 1010) used in cosmetic formulations to prevent oxidation and rancidity of oils, fats, and other ingredients. It functions primarily as a formulation stabilizer rather than a skin-active treatment. |
| 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. |
| 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. |
| Butylated Hydroxytoluene Antioxidant/preservative | Butylated Hydroxytoluene (BHT) is a synthetic antioxidant used in cosmetic formulations to prevent oxidation and rancidity of oils and fats, helping maintain product stability and shelf life. It functions as a stabilizer rather than a therapeutic active. |
| Iodopropynyl Butylcarbamate Preservative | Iodopropynyl Butylcarbamate (IPBC) is a broad-spectrum antimicrobial preservative used in cosmetics and personal care products primarily to protect against fungal and bacterial contamination. It is typically used at very low concentrations within regulatory limits. |
| Helianthus Annuus Seed Oil Emollient / skin-conditioning oil | Helianthus Annuus (Sunflower) Seed Oil is a plant-derived emollient rich in linoleic acid and vitamin E, used to soften skin and support the skin barrier. It is widely used as a base oil in moisturizers and cosmetic formulations. |
| Coumarin Fragrance ingredient | Coumarin is a naturally occurring aromatic compound used in cosmetics primarily as a fragrance and masking agent, valued for its sweet, hay-like scent. It is one of the 26 fragrance allergens that EU regulations require to be declared on product labels. |
| Hexyl Cinnamal Fragrance ingredient | Hexyl Cinnamal is a synthetic aromatic compound used as a fragrance and masking agent in cosmetic and skincare formulations, valued for its mild floral, jasmine-like scent. It is one of the 26 fragrance allergens required to be labeled in the EU. |
| Limonene Fragrance/solvent | Limonene is a naturally occurring monoterpene derived from citrus peel oils, commonly used as a fragrance component and solvent in cosmetic formulations. On exposure to air it oxidizes, forming compounds with greater sensitizing potential. |
| Linalool Fragrance/masking agent | Linalool is a naturally occurring terpene alcohol found in lavender, coriander, and many other plants, used in skincare primarily as a fragrance component. It readily oxidizes upon exposure to air, forming sensitizing hydroperoxides. |
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.