Nykaa · 🇮🇳 India

Iunik Beta Glucan Barrier Sunscreen

42 ingredients
What's in it

Below is every ingredient in Iunik Beta Glucan Barrier Sunscreen explained, its standout actives, and the side effects reported in research for those actives — analysed for Indian skin.

Suitability at a glance — for Indian skin

🍄 May trigger fungal acne
4 ingredient(s) can feed Malassezia — relevant in humid Indian weather
Fragrance-free
No fragrance or EU-declared allergens
Contains drying alcohol
Batyl Alcohol

Flags derived from the ingredient list using dermatology reference data (fungal-acne substrate, comedogenicity, EU allergens). General guidance, not a diagnosis.

Your questions, answered from the ingredient list

Is Iunik Beta Glucan Barrier Sunscreen fungal-acne safe?
Based on its listed ingredients, Iunik Beta Glucan Barrier Sunscreen contains 4 ingredient(s) reported to feed Malassezia (the yeast behind fungal acne): Chlorella Ferment, Glyceryl Caprylate, Lactobacillus Ferment, Stearic Acid. If you are fungal-acne prone, you may want to avoid these.
Does Iunik Beta Glucan Barrier Sunscreen contain fragrance?
No fragrance ingredients or EU-declared allergens were detected in the listed ingredients of Iunik Beta Glucan Barrier Sunscreen.
Is Iunik Beta Glucan Barrier Sunscreen safe to use in pregnancy?
None of its listed ingredients are flagged for pregnancy caution in our reference data — but always confirm your full routine with your own doctor.
Does Iunik Beta Glucan Barrier Sunscreen contain drying alcohol?
Yes — it lists Batyl Alcohol, volatile alcohol(s) that can dehydrate the skin barrier with frequent use.

Answers are derived from the printed ingredient list and dermatology reference data — general guidance, not a diagnosis or a therapeutic claim.

Key actives

Ethylhexyl Triazone
UVB sunscreen filter

Ethylhexyl Triazone is an oil-soluble organic UV filter that strongly absorbs UVB radiation (peak around 314 nm), valued for its high photostability and efficiency at low concentrations. It is commonly used in sunscreens and daily-wear products to boost SPF.

Diethylamino Hydroxybenzoyl Hexyl Benzoate
UVA filter (sunscreen)

Diethylamino Hydroxybenzoyl Hexyl Benzoate (also known as Uvinul A Plus) is an oil-soluble organic UV filter that absorbs primarily in the long-wave UVA range (around 354 nm), helping protect skin from UVA-induced damage. It is photostable and commonly combined with other filters in broad-spectrum sunscreens.

Drometrizole Trisiloxane
UV filter (UVA/UVB)

Drometrizole Trisiloxane (Mexoryl XL) is a broad-spectrum, photostable organic UV filter that absorbs both UVA and UVB radiation, used in sunscreens to provide photoprotection. Its silicone-based structure gives it oil solubility and substantivity on skin.

Terephthalylidene Dicamphor Sulfonic Acid
UV filter (sunscreen)

Terephthalylidene Dicamphor Sulfonic Acid (also known as ecamsule or Mexoryl SX) is a water-soluble organic UVA filter used in sunscreens to provide broad protection against UVA rays. It is photostable and often combined with other filters to enhance coverage.

Diethylhexyl Butamido Triazone
UVB filter (sunscreen agent)

Diethylhexyl Butamido Triazone (Iscotrizinol, Uvasorb HEB) is an organic, oil-soluble UVB filter that absorbs ultraviolet radiation primarily in the UVB range, providing photoprotection in sunscreen and daily-care formulations. It is highly photostable and substantive to skin, often combined with other filters for broad-spectrum coverage.

Allantoin
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.

Side effects reported in research

Aggregated from the active ingredients in this product.

Reported effectHow oftenNotes
Skin dryness or barrier disruption with excessive contactUncommonFrequent or prolonged exposure to water, especially hot or hard water, can disrupt the skin barrier and contribute to transepidermal water loss.
Irritation from impurities or hard water mineralsRareReactions are attributed to contaminants, chlorine, or mineral content rather than water itself.
Mild skin irritationRareOccasional transient redness or stinging, typically in sensitive skin.
Allergic contact dermatitisVery rareIsolated case reports; not a common sensitizer.
Eye irritationUncommonPossible if product contacts the eyes during application.
Contact dermatitis / allergic sensitizationVery rareIsolated reports; glycol-type diols are generally considered low sensitizers.
Contact irritationRareMild redness or stinging occasionally reported, generally well tolerated.
Photoallergic reactionVery rareRarely reported given the molecule's high photostability and low systemic absorption.
Skin irritation or mild contact dermatitisRareOccasional reports of localized redness or irritation, generally mild.
Allergic contact dermatitis / sensitizationVery rareIsolated case reports; considered a low-sensitizing UV filter.
Contact irritation (mild stinging or redness)UncommonTransient and typically mild, especially on sensitive skin.
Skin irritation (mild redness or stinging)UncommonGenerally well tolerated; transient irritation may occur, particularly at higher concentrations or on compromised skin.
Contact allergy / sensitizationVery rareRarely reported; salicylate derivatives can theoretically trigger sensitization in predisposed individuals.
Skin irritationRareMild irritation possible, generally well tolerated.
ComedogenicityRareLow comedogenic potential; pore clogging rarely reported in sensitive individuals.

Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.

Full ingredient breakdown

IngredientWhat it does
Water
Solvent/vehicle
Water is the most common base ingredient in cosmetic formulations, serving as a solvent that dissolves other ingredients and forms the bulk of emulsions and aqueous solutions. It is generally considered safe and non-irritating.
Dibutyl Adipate
Emollient / solvent
Dibutyl Adipate is a synthetic ester of adipic acid and butanol used in cosmetics as an emollient, solvent, and skin-conditioning agent. It imparts a light, non-greasy feel and helps spread and dissolve UV filters and other oil-soluble ingredients.
2,3-Butanediol
Humectant / solvent
2,3-Butanediol is a small diol used in cosmetics primarily as a humectant and solvent that helps retain moisture and aid the dissolution of other ingredients. It also offers mild antimicrobial properties that can support product preservation.
Ethylhexyl Triazone Key active
UVB sunscreen filter
Ethylhexyl Triazone is an oil-soluble organic UV filter that strongly absorbs UVB radiation (peak around 314 nm), valued for its high photostability and efficiency at low concentrations. It is commonly used in sunscreens and daily-wear products to boost SPF.
Diethylamino Hydroxybenzoyl Hexyl Benzoate Key active
UVA filter (sunscreen)
Diethylamino Hydroxybenzoyl Hexyl Benzoate (also known as Uvinul A Plus) is an oil-soluble organic UV filter that absorbs primarily in the long-wave UVA range (around 354 nm), helping protect skin from UVA-induced damage. It is photostable and commonly combined with other filters in broad-spectrum sunscreens.
Drometrizole Trisiloxane Key active
UV filter (UVA/UVB)
Drometrizole Trisiloxane (Mexoryl XL) is a broad-spectrum, photostable organic UV filter that absorbs both UVA and UVB radiation, used in sunscreens to provide photoprotection. Its silicone-based structure gives it oil solubility and substantivity on skin.
Terephthalylidene Dicamphor Sulfonic Acid Key active
UV filter (sunscreen)
Terephthalylidene Dicamphor Sulfonic Acid (also known as ecamsule or Mexoryl SX) is a water-soluble organic UVA filter used in sunscreens to provide broad protection against UVA rays. It is photostable and often combined with other filters to enhance coverage.
1,2-Hexanediol
Humectant / preservative booster
1,2-Hexanediol is a synthetic diol used in skincare as a humectant and solvent that also enhances the antimicrobial efficacy of formulations, often allowing reduced or preservative-free systems. It helps maintain product stability while contributing mild moisturizing properties.
Butyloctyl Salicylate
Emollient / UV filter solubilizer
Butyloctyl Salicylate is a lipophilic salicylate ester used in cosmetic formulations primarily as an emollient and as a solubilizer that enhances the dissolution and stability of organic UV filters in sunscreens. It also provides mild spreadability and a smooth skin feel.
Behenyl Alcohol
Emollient / Thickener
Behenyl alcohol is a fatty alcohol derived from behenic acid that functions as an emollient, thickening agent, and emulsion stabilizer in cosmetic and skincare formulations. It helps soften the skin and improve product texture and stability.
Tromethamine
pH adjuster / buffering agent
Tromethamine (trometamol, TRIS) is an organic amine base used in cosmetic and topical formulations to neutralize acidic components and stabilize pH. It functions primarily as a buffering and neutralizing agent rather than as a therapeutic active.
Diethylhexyl Butamido Triazone Key active
UVB filter (sunscreen agent)
Diethylhexyl Butamido Triazone (Iscotrizinol, Uvasorb HEB) is an organic, oil-soluble UVB filter that absorbs ultraviolet radiation primarily in the UVB range, providing photoprotection in sunscreen and daily-care formulations. It is highly photostable and substantive to skin, often combined with other filters for broad-spectrum coverage.
Diisopropyl Sebacate
Emollient / solvent
Diisopropyl sebacate is an ester used as a lightweight emollient and solvent in cosmetic formulations, providing skin conditioning and improving the spreadability and penetration of other ingredients. It imparts a smooth, non-greasy feel and can act as a vehicle for active compounds.
Vinyl Dimethicone
Silicone emollient/film-former
Vinyl Dimethicone is a vinyl-functionalized silicone polymer used in skincare and cosmetics as an emollient, conditioning agent, and film-former that imparts a smooth, silky feel and can act as a crosslinker in silicone elastomer systems. It is a formulation/base ingredient rather than a therapeutic active.
Arachidyl Alcohol
Emollient / emulsion stabilizer
Arachidyl alcohol is a fatty alcohol (C20) derived from natural oils that functions as an emollient, thickener, and co-emulsifier to stabilize creams and lotions. It improves texture and helps maintain emulsion consistency in skincare formulations.
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.
Methyl Methacrylate Crosspolymer
Texture enhancer / mattifying agent
Methyl Methacrylate Crosspolymer is a synthetic polymer used in cosmetics as a film-former and oil-absorbing powder that imparts a smooth, soft-focus, matte feel to formulations. It functions primarily as a sensory and texturizing base ingredient rather than a skin-treatment active.
Caprylyl Methicone
Emollient / spreading agent
Caprylyl Methicone is a volatile silicone fluid used in cosmetic formulations to provide a light, non-greasy, smooth skin feel and to enhance the spreadability of products. It also acts as a solvent and carrier for other ingredients, particularly in sunscreens and color cosmetics.
Batyl Alcohol
Emollient / skin-conditioning agent
Batyl alcohol is a naturally derived glyceryl ether (monooctadecyl glyceryl ether) used in skincare primarily as an emollient and skin-conditioning agent that helps soften skin and stabilize formulations. It is generally considered well tolerated and functions as a base/formulation ingredient rather than a therapeutic active.
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.
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.
Arachidyl Glucoside
Emulsifier / surfactant
Arachidyl Glucoside is a non-ionic, plant-derived emulsifier created from fatty alcohols and glucose, used to stabilize oil-in-water emulsions and improve texture. It functions as a formulation aid rather than a treatment active.
Polyacrylate Crosspolymer-6
Film-forming/sensory-enhancing rheology modifier
Polyacrylate Crosspolymer-6 is a synthetic crosslinked acrylate polymer used in skincare and cosmetic formulations to provide a smooth, silky sensory feel, stabilize emulsions, and help form a light film on the skin. It is a formulation aid rather than a biologically active treatment ingredient.
Stearyl Alcohol
Emollient/emulsifier
Stearyl alcohol is a fatty alcohol used in skincare as an emollient, emulsion stabilizer, and thickening agent to improve texture and prevent ingredient separation. It softens skin and helps maintain the consistency of creams and lotions.
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.
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.
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.
Lecithin
Emollient / Emulsifier
Lecithin is a naturally occurring phospholipid (commonly derived from soybean or egg) used in skincare as an emulsifier, emollient, and penetration enhancer. It helps stabilize oil-and-water formulations and supports the skin barrier by mimicking natural lipids.
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.
Microcrystalline Cellulose
Texturizer/bulking agent
Microcrystalline cellulose is a purified, partially depolymerized cellulose derived from plant fibers, used in skincare and cosmetics as a bulking agent, texture modifier, anti-caking agent, and emulsion stabilizer. It is inert and primarily serves formulation purposes rather than providing active skin benefits.
Cellulose Gum
Thickener/stabilizer
Cellulose Gum (carboxymethyl cellulose) is a water-soluble cellulose derivative used as a thickening, stabilizing, and binding agent in cosmetic formulations. It helps control viscosity and improve texture in creams, gels, and lotions.
Glucose
Humectant/skin-conditioning agent
Glucose is a simple sugar used in skincare primarily as a humectant and skin-conditioning ingredient, helping to attract and retain moisture in the skin. It can also serve as a substrate in formulations and contributes to the skin's natural moisturizing factors.
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.
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.
Beta-Glucan Key active
Hydrating soothing agent
Beta-glucan is a polysaccharide derived from sources such as oats, yeast, and mushrooms that functions as a humectant and skin-soothing ingredient. It supports hydration, helps reinforce the skin barrier, and has been studied for antioxidant and wound-healing properties.
Maltodextrin
Carrier/film-forming agent
Maltodextrin is a polysaccharide derived from starch hydrolysis, used in skincare primarily as a carrier, bulking agent, film former, and stabilizer for active ingredients and powders. It also helps improve texture and can act as a mild thickening or emulsion-stabilizing aid.
Chlorella Ferment Key active
Skin-conditioning / antioxidant
Chlorella Ferment is a microalgae-derived fermented extract used in skincare for its antioxidant, hydrating, and skin-conditioning properties. It supplies peptides, amino acids, and polysaccharides that may support skin barrier function and moisture retention.
Lactobacillus Ferment Key active
Probiotic-derived skin conditioning/soothing agent
Lactobacillus Ferment is a postbiotic ingredient produced by the fermentation of Lactobacillus bacteria, used in skincare for its soothing, barrier-supporting, and antioxidant properties. It may help balance the skin microbiome and reduce visible signs of irritation.
Panax Ginseng Extract Key active
Antioxidant/Skin-conditioning
Panax ginseng extract is a botanical derived from the ginseng root, rich in ginsenosides and polysaccharides, used in skincare for its antioxidant, anti-inflammatory, and skin-conditioning properties. It may support improved skin tone and is sometimes studied for anti-aging effects.
Sodium Benzoate
Preservative
Sodium benzoate is a salt of benzoic acid used as a preservative in cosmetic and skincare formulations to inhibit the growth of bacteria, yeast, and fungi, particularly in acidic products. It is most effective at a pH below 5.
Glyceryl Caprylate
Emollient / antimicrobial co-preservative
Glyceryl Caprylate is a monoglyceride derived from glycerin and caprylic acid, used in skincare as an emollient, moisturizing agent, and skin-conditioning component with mild antimicrobial properties that support preservation. It is commonly employed to help stabilize formulations and reduce reliance on conventional preservatives.
Acetyl Hexapeptide-8 Key active
Anti-wrinkle peptide
Acetyl Hexapeptide-8 (also known as Argireline or acetyl hexapeptide-3) is a synthetic peptide that mimics the N-terminal end of SNAP-25, mildly inhibiting neurotransmitter release to reduce the appearance of expression lines. It is marketed as a topical alternative to injectable neuromodulators, though its effects are subtler.

Key active = does the main work. Ingredient explanations are drawn from public databases & literature.

From published literature

Peer-reviewed papers on the active ingredients in this product, via PubMed.

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