Below is every ingredient in Skin1004 Madagascar Centella Poremizing Clear Toner 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.
Salix Alba (Willow) Bark Extract is derived from white willow bark and contains salicin, a precursor to salicylic acid, valued for its mild keratolytic, exfoliating, and soothing properties. It is often used as a gentler, naturally derived alternative to synthetic salicylic acid in skincare formulations.
Castanea Crenata (Chestnut) Shell Extract is a plant-derived extract rich in polyphenols and tannins used for its antioxidant and skin-conditioning properties, with some research suggesting anti-inflammatory and skin-brightening (tyrosinase-inhibiting) effects. It is typically incorporated into topical formulations to help protect skin from oxidative stress.
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.
Allantoin is a naturally derived or synthetically produced compound used in skincare for its soothing, moisturizing, and keratolytic (skin-softening) properties. It promotes cell proliferation and helps calm irritation, commonly appearing in creams, lotions, and after-sun products.
Capryloyl Salicylic Acid (also called LHA) is a lipophilic derivative of salicylic acid in which a fatty caprylic chain is attached, allowing slower, more targeted penetration into the skin. It is used as an exfoliant to promote desquamation, refine skin texture, and help manage acne and signs of photoaging.
Gluconolactone is a polyhydroxy acid that gently exfoliates the skin surface, provides antioxidant and humectant benefits, and is often considered milder than alpha hydroxy acids. It is well tolerated, including by sensitive skin, due to its larger molecular size and slower penetration.
Aggregated from the active ingredients in this product.
| Reported effect | How often | Notes |
|---|---|---|
| Skin irritation | Very rare | Pure water is generally non-irritating; rare reactions are typically due to other formulation components or impurities rather than water itself. |
| Transient skin dryness with frequent exposure | Rare | Repeated wetting and drying can disrupt the skin barrier in susceptible individuals, but this is associated with usage patterns rather than water as an ingredient. |
| Mild skin irritation | Uncommon | Transient stinging or redness, more likely on compromised or sensitive skin. |
| Allergic contact dermatitis | Rare | Sensitization is infrequent; propanediol is generally considered low-risk for allergy. |
| Enhanced penetration of co-formulated irritants | Uncommon | As a penetration enhancer it may increase absorption and irritation potential of other actives. |
| Mild transient skin irritation or stinging | Uncommon | More likely at higher concentrations or on compromised skin barriers. |
| Contact dermatitis / allergic sensitization | Rare | Occasional case reports; patch testing can confirm. |
| Eye irritation on accidental contact | Uncommon | Relevant mainly in leave-on or rinse-off products near the eye area. |
| 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. |
| Redness or tingling | Rare | Typically resolves quickly after discontinuation |
| Skin irritation or stinging | Uncommon | More likely with high concentrations or on compromised/broken skin. |
| Dryness from osmotic effects | Uncommon | High salt concentrations can draw water from the skin in some formulations. |
| Worsening of inflamed or eczematous skin | Rare | Salt exposure may aggravate already-broken or dermatitic skin. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.
| Ingredient | What it does |
|---|---|
| Aqua(Water) Solvent/vehicle | Aqua (Water) is the most common base ingredient in cosmetic formulations, serving as a solvent that dissolves water-soluble ingredients and forms the continuous phase of emulsions. It also acts as a vehicle that hydrates the skin surface and helps distribute other ingredients. |
| 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. |
| 2-Hexanediol Humectant/preservative-booster | 1,2-Hexanediol (commonly written 2-hexanediol) is a multifunctional diol used in skincare primarily as a humectant, solvent, and preservative-enhancing agent that improves the antimicrobial efficacy of formulations. It is generally well tolerated and considered a base/formulation ingredient rather than a treatment 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. |
| Hydroxyacetophenone Antioxidant / soothing agent | Hydroxyacetophenone (acetophenone-based compound, often 4'-hydroxyacetophenone) is used in skincare primarily as an antioxidant and skin-conditioning agent that can also enhance the stability and efficacy of preservative systems. It is valued for its soothing properties and helps neutralize free radicals while reducing potential irritation from other formulation components. |
| Betaine Humectant / osmolyte | Betaine is a naturally derived amino acid derivative (trimethylglycine) used in skincare as a humectant and osmoprotectant that attracts and retains moisture while helping stabilize skin barrier function. It also improves the texture and mildness of formulations. |
| Mineral Salts Skin-conditioning / hydration | Mineral salts (such as magnesium, calcium, potassium, sodium, and zinc salts) are used in skincare to support skin hydration, barrier function, and texture, and may act as electrolytes or trace-element sources. They are typically functional base or conditioning ingredients rather than potent treatment actives. |
| Panthenol Humectant / skin-conditioning agent | Panthenol (provitamin B5) is converted to pantothenic acid in the skin, where it acts as a humectant and helps support skin barrier function and hydration. It is also used for its soothing and mild anti-inflammatory properties in topical formulations. |
| Ethylhexylglycerin Preservative booster / skin-conditioning agent | Ethylhexylglycerin is a multifunctional glyceryl ether used in cosmetics primarily as a preservative-enhancing agent and emollient, often paired with phenoxyethanol to broaden antimicrobial efficacy. It also acts as a deodorizing agent and humectant in skincare formulations. |
| Sodium Polyacryloyldimethyl Taurate Emulsifier / thickener | Sodium Polyacryloyldimethyl Taurate is a synthetic acrylate-based polymer used as a thickening, stabilizing, and emulsifying agent in cosmetic formulations. It helps create smooth, gel-like textures and stabilizes oil-in-water emulsions. |
| 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. |
| Butylene Glycol Humectant / solvent | Butylene glycol is a small diol commonly used in skincare as a humectant, solvent, and viscosity-reducing agent that helps dissolve other ingredients and improve skin feel. It is widely regarded as safe and non-sensitizing for the majority of users at cosmetic concentrations. |
| Salix Alba (Willow) Bark Extract Key active Exfoliant / anti-inflammatory | Salix Alba (Willow) Bark Extract is derived from white willow bark and contains salicin, a precursor to salicylic acid, valued for its mild keratolytic, exfoliating, and soothing properties. It is often used as a gentler, naturally derived alternative to synthetic salicylic acid in skincare formulations. |
| Castanea Crenata (Chestnut) Shell Extract Key active Antioxidant / skin-conditioning | Castanea Crenata (Chestnut) Shell Extract is a plant-derived extract rich in polyphenols and tannins used for its antioxidant and skin-conditioning properties, with some research suggesting anti-inflammatory and skin-brightening (tyrosinase-inhibiting) effects. It is typically incorporated into topical formulations to help protect skin from oxidative stress. |
| Lavandula Angustifolia (Lavender) Flower Extract Fragrance/soothing botanical extract | Lavandula Angustifolia (Lavender) Flower Extract is a plant-derived ingredient used in skincare for its aromatic, antioxidant, and traditionally soothing properties. It contains volatile compounds such as linalool and linalyl acetate that can contribute fragrance and potential skin-conditioning effects. |
| 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. |
| Hydrolyzed Hyaluronic Acid Humectant / moisturizer | Hydrolyzed hyaluronic acid is a low-molecular-weight form of hyaluronic acid broken into smaller fragments, allowing better penetration into the skin to bind water and improve hydration. It is widely used in moisturizers and serums to enhance skin moisture content and surface smoothness. |
| Sodium Hyaluronate Humectant / hydrator | Sodium hyaluronate is the sodium salt of hyaluronic acid, a glycosaminoglycan that attracts and binds water to the skin to improve hydration and surface plumpness. Its lower molecular weight allows better penetration than native hyaluronic acid. |
| Allantoin Key active Soothing/skin-conditioning agent | Allantoin is a naturally derived or synthetically produced compound used in skincare for its soothing, moisturizing, and keratolytic (skin-softening) properties. It promotes cell proliferation and helps calm irritation, commonly appearing in creams, lotions, and after-sun products. |
| Citric Acid pH adjuster / AHA exfoliant | Citric acid is an alpha-hydroxy acid derived from citrus fruits, used primarily to adjust and buffer formulation pH and as a chelating agent, and at higher concentrations as a mild chemical exfoliant. It can promote surface cell turnover and is sometimes included in antioxidant or brightening products. |
| Capryloyl Salicylic Acid Key active Exfoliant / keratolytic | Capryloyl Salicylic Acid (also called LHA) is a lipophilic derivative of salicylic acid in which a fatty caprylic chain is attached, allowing slower, more targeted penetration into the skin. It is used as an exfoliant to promote desquamation, refine skin texture, and help manage acne and signs of photoaging. |
| Gluconolactone Key active Polyhydroxy acid (PHA) exfoliant/humectant | Gluconolactone is a polyhydroxy acid that gently exfoliates the skin surface, provides antioxidant and humectant benefits, and is often considered milder than alpha hydroxy acids. It is well tolerated, including by sensitive skin, due to its larger molecular size and slower penetration. |
| Sodium Citrate pH adjuster / chelating agent | Sodium citrate is the sodium salt of citric acid used in skincare primarily as a buffering agent to stabilize formulation pH and as a chelator that binds metal ions to improve product stability. It is a base/formulation ingredient rather than a therapeutic active. |
| Salicylic Acid Key active Beta-hydroxy acid (BHA) exfoliant / keratolytic | Salicylic acid is a lipid-soluble beta-hydroxy acid that exfoliates the skin surface and penetrates sebaceous pores to loosen and dissolve keratin and debris. It is widely used to treat acne, blackheads, and conditions involving thickened or scaly skin. |
| Glycolic Acid Key active Chemical exfoliant (AHA) | Glycolic acid is an alpha-hydroxy acid derived from sugar cane that exfoliates by loosening bonds between dead skin cells on the surface, promoting cell turnover and improving texture, tone, and fine lines. It is one of the smallest AHAs, allowing relatively deep penetration into the skin. |
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.