Below is every ingredient in Lakme Sun Expert Dry Matte Fluid Spf 50 Pa Sunscreen 50 Ml 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.
Ethylhexyl Salicylate (octisalate) is an oil-soluble organic UVB filter used in sunscreens to absorb ultraviolet radiation in the 295-315 nm range. It is also valued as a solvent that helps stabilize and dissolve other UV filters in formulations.
Octocrylene is an organic (chemical) sunscreen agent that absorbs UVB and short UVA radiation, and is also used to stabilize and solubilize other UV filters such as avobenzone. It is commonly incorporated into sunscreens and daily-care products with SPF.
Phenylbenzimidazole Sulfonic Acid (Ensulizole) is a water-soluble organic UV filter that primarily absorbs UVB radiation, helping to prevent sunburn. Its water solubility makes it suitable for lighter, less greasy sunscreen and daily moisturizer formulations.
Butyl Methoxydibenzoylmethane, also known as avobenzone, is a widely used organic sunscreen agent that absorbs UVA radiation. It is often combined with photostabilizers and other UV filters because it can degrade with sun exposure.
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.
Aggregated from the active ingredients in this product.
| Reported effect | How often | Notes |
|---|---|---|
| Mild skin irritation or redness | Rare | Generally considered non-irritating; occasional mild reactions reported. |
| Clogged pores / comedogenic-related breakouts | Uncommon | Often anecdotal; dimethicone is largely regarded as non-comedogenic but may trap debris if skin is not cleansed well. |
| Allergic contact dermatitis | Very rare | True silicone allergy is exceptionally uncommon. |
| Eye irritation on accidental contact | Rare | Transient stinging or discomfort if product enters the eyes. |
| Mild skin irritation or stinging | Uncommon | Generally well tolerated; transient irritation can occur, particularly on sensitive or compromised skin. |
| Photoallergic or photocontact reactions | Rare | Reported occasionally with organic UV filters; less common than with some other sunscreen agents. |
| Contact dermatitis / skin irritation | Uncommon | Localized redness, itching, or stinging on application. |
| Photoallergic contact dermatitis | Rare | Reported particularly in adults, sometimes linked to prior ketoprofen sensitization. |
| Systemic absorption | Common | Detectable in blood after use; clinical significance unclear and not equated with harm. |
| Benzophenone formation over time | Uncommon | Degradation can yield trace benzophenone; relevance to skin health under study. |
| 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. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.
| Ingredient | What it does |
|---|---|
| Dimethicone Emollient/occlusive (silicone) | Dimethicone is a silicone-based polymer used in skincare to soften skin, smooth texture, and form a breathable protective barrier that reduces transepidermal water loss. It is widely used as a base/formulation ingredient rather than a therapeutic active. |
| Ethylhexyl Salicylate Key active UV filter (UVB sunscreen) | Ethylhexyl Salicylate (octisalate) is an oil-soluble organic UVB filter used in sunscreens to absorb ultraviolet radiation in the 295-315 nm range. It is also valued as a solvent that helps stabilize and dissolve other UV filters in formulations. |
| Octocrylene Key active UV filter | Octocrylene is an organic (chemical) sunscreen agent that absorbs UVB and short UVA radiation, and is also used to stabilize and solubilize other UV filters such as avobenzone. It is commonly incorporated into sunscreens and daily-care products with SPF. |
| 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. |
| Phenylbenzimidazole Sulfonic Acid Key active UVB sunscreen filter | Phenylbenzimidazole Sulfonic Acid (Ensulizole) is a water-soluble organic UV filter that primarily absorbs UVB radiation, helping to prevent sunburn. Its water solubility makes it suitable for lighter, less greasy sunscreen and daily moisturizer formulations. |
| Butyl Methoxydibenzoylmethane Key active UV filter (UVA sunscreen) | Butyl Methoxydibenzoylmethane, also known as avobenzone, is a widely used organic sunscreen agent that absorbs UVA radiation. It is often combined with photostabilizers and other UV filters because it can degrade with sun exposure. |
| 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. |
| Sodium Hydroxide pH adjuster | Sodium hydroxide (lye) is a strong alkaline compound used in small amounts to adjust and stabilize the pH of cosmetic formulations. At regulated low concentrations in finished products it is considered safe, though it is corrosive in concentrated form. |
| Acrylates/C10-30 Alkyl Acrylate Crosspolymer Rheology modifier / emulsion stabilizer | Acrylates/C10-30 Alkyl Acrylate Crosspolymer is a synthetic crosslinked acrylic polymer used to thicken, gel, and stabilize emulsions in skincare and cosmetic formulations. It helps suspend ingredients and provides a smooth, consistent texture without acting as a treatment 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%. |
| Steareth-21 Emulsifier/surfactant | Steareth-21 is a polyethylene glycol ether of stearyl alcohol used as a nonionic emulsifier and surfactant to stabilize oil-in-water emulsions and improve texture in skincare formulations. It is a base/formulation ingredient rather than a treatment active. |
| Silica Absorbent/texturizer | Silica is a mineral-derived ingredient (silicon dioxide) used in cosmetics to absorb oil and sebum, improve texture, and act as a bulking, anti-caking, or matting agent. It is generally inert and well tolerated on skin. |
| 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. |
| 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. |
| Dimethicone Emollient/occlusive (silicone) | Dimethicone is a silicone-based polymer used in skincare to soften skin, smooth texture, and form a breathable protective barrier that reduces transepidermal water loss. It is widely used as a base/formulation ingredient rather than a therapeutic active. |
| 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. |
| Steareth-2 Emulsifier / surfactant | Steareth-2 is a polyethylene glycol ether of stearyl alcohol used as a nonionic emulsifier and surfactant to blend oil and water phases in creams and lotions. It functions as a formulation/base ingredient rather than an 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. |
| 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. |
| Stearic Acid Emulsifier / thickener | Stearic acid is a saturated long-chain fatty acid widely used in cosmetics as an emulsifier, thickening agent, and emollient to stabilize creams and lotions. It is generally considered a base/formulation ingredient rather than a therapeutic active. |
| Linoleamidopropyl Pg-Dimonium Chloride Phosphate Conditioning agent / antistatic | Linoleamidopropyl PG-Dimonium Chloride Phosphate is a phospholipid-derived quaternary ammonium compound used in skincare and haircare as a conditioning, antistatic, and emulsifying agent. It helps soften skin and hair, reduce static, and improve the spreadability and feel of formulations. |
| Propylene Glycol Humectant / solvent | Propylene glycol is a small glycol molecule widely used in skincare as a humectant, solvent, and penetration enhancer that helps attract water and dissolve other ingredients. It is considered a base/formulation ingredient rather than a therapeutic active. |
| 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. |
| 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. |
| Pentylene Glycol Humectant / solvent / preservative-booster | Pentylene glycol is a glycol used in cosmetics as a humectant and solvent that also enhances the antimicrobial efficacy of formulations, helping reduce reliance on traditional preservatives. It improves skin hydration and aids the delivery and stability of other ingredients. |
| Sodium Acetylated Hyaluronate Humectant / moisturizer | Sodium Acetylated Hyaluronate is an acetylated, sodium-salt derivative of hyaluronic acid used in skincare for its enhanced moisture retention and improved skin adherence compared to standard hyaluronic acid. The acetyl modification increases lipophilicity, allowing better surface binding and prolonged hydration. |
| 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. |
| Sodium Lauroyl Lactylate Emulsifier/surfactant | Sodium Lauroyl Lactylate is a mild, lactic acid-derived anionic surfactant and emulsifier used to stabilize oil-in-water formulations and improve skin feel. It also has some reported conditioning and antimicrobial-boosting properties. |
| Sodium Hyaluronate Crosspolymer Humectant / hydrating agent | Sodium Hyaluronate Crosspolymer is a chemically cross-linked form of sodium hyaluronate that forms a hydrated network, providing enhanced moisture retention and longer-lasting surface hydration compared to standard hyaluronic acid. It is widely used in moisturizers, serums, and masks to plump and smooth the skin surface. |
| Hydrolyzed Sodium Hyaluronate Humectant / hydrating agent | Hydrolyzed sodium hyaluronate is an enzymatically or chemically fragmented, low-molecular-weight form of sodium hyaluronate used in skincare to attract and bind water. Its smaller size allows better penetration into the upper layers of the skin compared to high-molecular-weight hyaluronic acid, supporting surface hydration and a smoother appearance. |
| 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. |
| Ceramide Np Skin-barrier replenishing lipid / emollient | Ceramide NP (formerly ceramide 3) is a naturally occurring sphingolipid that helps restore and maintain the skin's lipid barrier, reducing transepidermal water loss and improving hydration. It is widely used in moisturizers and barrier-repair formulations. |
| Ceramide Ap Skin barrier lipid / moisturizer | Ceramide AP (ceramide 6-II) is a naturally occurring sphingolipid that helps restore and maintain the skin's barrier function and reduce transepidermal water loss. It is commonly used in moisturizers and barrier-repair formulations, often combined with other ceramides, cholesterol, and fatty acids. |
| Phytosphingosine Key active Skin-conditioning agent / barrier-supporting lipid | Phytosphingosine is a naturally occurring sphingolipid that helps maintain the skin barrier and also exhibits antimicrobial and anti-inflammatory properties. It is commonly incorporated into moisturizers and barrier-repair formulations to support ceramide synthesis and skin integrity. |
| Cholesterol Skin barrier lipid / emollient | Cholesterol is a naturally occurring lipid found in the skin's stratum corneum that, alongside ceramides and fatty acids, helps maintain the skin barrier and prevent transepidermal water loss. In skincare formulations it functions as an emollient and barrier-repair agent that improves hydration and skin resilience. |
| Xanthan Gum Thickener/stabilizer | Xanthan gum is a polysaccharide produced by bacterial fermentation, used in skincare as a thickening, gelling, and emulsion-stabilizing agent. It improves product texture and suspension of ingredients without contributing active treatment effects. |
| Carbomer Thickener / gelling agent | Carbomer is a synthetic high-molecular-weight polymer of acrylic acid used to thicken, stabilize, and control the viscosity of gels, creams, and lotions. It functions as a formulation aid rather than a therapeutic active. |
| Ceramide Eop Skin barrier lipid | Ceramide EOP is a long-chain omega-hydroxy ceramide that helps form and maintain the skin's lipid barrier, supporting moisture retention and reducing transepidermal water loss. It is commonly used in moisturizers and barrier-repair formulations. |
| Alpha Isomethyl Ionone Fragrance ingredient | Alpha-Isomethyl Ionone is a synthetic fragrance compound with a sweet, violet-like floral scent used to impart or enhance aroma in cosmetic and skincare formulations. It has no therapeutic skin benefit and serves purely an olfactory/sensory role. |
| Benzyl Salicylate Fragrance/UV-absorber | Benzyl salicylate is an aromatic ester used primarily as a fragrance ingredient and, to a lesser extent, as a UV-light absorber in cosmetic formulations. It imparts a faint floral, balsamic scent and helps stabilize fragrance compositions. |
| Citronellol Fragrance ingredient | Citronellol is a naturally occurring monoterpene alcohol used as a fragrance and flavoring agent, providing a rose-like, citrusy scent in cosmetics and personal care products. It is found in essential oils such as rose, geranium, and citronella. |
| Geraniol Fragrance/aroma compound | Geraniol is a naturally occurring terpene alcohol used in cosmetics primarily as a fragrance ingredient and for its pleasant rose-like scent. It also has mild antioxidant and antimicrobial properties but is included mainly for olfactory rather than therapeutic purposes. |
| 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.