Below is every ingredient in Pixi Collagen Retinol Serum 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.
Retinol is a vitamin A derivative that converts to retinoic acid in the skin, promoting cell turnover and stimulating collagen synthesis. It is widely used to address fine lines, photoaging, and acne.
Acetyl Heptapeptide-4 is a synthetic peptide used in cosmetic formulations that is purported to reduce the appearance of expression lines by interfering with neuromuscular signaling at the synapse. It is marketed as a topical alternative to injectable muscle relaxants, though clinical evidence for its efficacy is limited.
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%.
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.
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 |
|---|---|---|
| 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 skin irritation or redness | Rare | Occasionally reported in sensitive individuals, typically transient. |
| Contact dermatitis / allergic reaction | Very rare | Plant gums can rarely act as sensitizers in predisposed individuals. |
| Temporary skin tightness or dryness | Uncommon | Related to its film-forming properties, usually resolves after rinsing or moisturizing. |
| Dryness and flaking | Common | Often occurs during the initial adjustment period as skin acclimates. |
| Erythema (redness) | Common | Mild irritation and redness, especially at higher concentrations. |
| Stinging or burning sensation | Common | Typically transient upon application. |
| Increased photosensitivity | Common | Skin becomes more susceptible to UV damage; daytime sunscreen recommended. |
| Peeling or scaling | Uncommon | More likely with frequent use or higher strengths. |
| Retinoid dermatitis | Uncommon | Contact dermatitis-like reaction with persistent irritation. |
| Purging (temporary breakouts) | Uncommon | Transient acne flare attributed to accelerated cell turnover. |
| Severe allergic contact dermatitis | Rare | Hypersensitivity reaction requiring discontinuation. |
| Hyperpigmentation or hypopigmentation | Rare | More frequently reported in darker skin tones following irritation. |
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. |
| 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. |
| Acacia Seyal Gum Extract Film-forming / skin-conditioning agent | Acacia Seyal Gum Extract is a plant-derived polysaccharide (gum) used in skincare as a natural film former, thickener, and skin-conditioning agent that can provide a temporary tightening or smoothing effect on the skin surface. It is generally considered a base/formulation ingredient rather than a therapeutic active. |
| Retinol Key active Vitamin A derivative / anti-aging active | Retinol is a vitamin A derivative that converts to retinoic acid in the skin, promoting cell turnover and stimulating collagen synthesis. It is widely used to address fine lines, photoaging, and acne. |
| Methyl Methacrylate/Glycol Dimethacrylate Crosspolymer Film former / bulking & opacifying agent | Methyl Methacrylate/Glycol Dimethacrylate Crosspolymer is a synthetic acrylate-based crosspolymer used in cosmetics as a film-forming and bulking agent that imparts a smooth, soft-focus feel and helps absorb sebum. It typically appears as inert microspheres in formulations such as primers, foundations, and gels. |
| Acetyl Heptapeptide-4 Key active Signal peptide / neurotransmitter-inhibiting peptide | Acetyl Heptapeptide-4 is a synthetic peptide used in cosmetic formulations that is purported to reduce the appearance of expression lines by interfering with neuromuscular signaling at the synapse. It is marketed as a topical alternative to injectable muscle relaxants, though clinical evidence for its efficacy is limited. |
| 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%. |
| Rosmarinus Officinalis Extract Antioxidant / botanical extract | Rosmarinus Officinalis (rosemary) Extract is a plant-derived ingredient rich in phenolic compounds such as carnosic acid and rosmarinic acid, valued for its antioxidant and antimicrobial properties. In cosmetics it is used to help protect formulations from oxidation and may provide soothing or skin-conditioning benefits. |
| Anthemis Nobilis Flower Extract Soothing/anti-inflammatory botanical extract | Anthemis Nobilis (Roman chamomile) Flower Extract is a plant-derived ingredient used in skincare for its soothing, antioxidant, and mild anti-inflammatory properties. It is commonly added to formulations intended to calm sensitive or irritated skin. |
| 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. |
| 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. |
| 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. |
| 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. |
| Potassium Sorbate Preservative | Potassium sorbate is the potassium salt of sorbic acid, used as a mild preservative to inhibit mold, yeast, and some bacterial growth in cosmetic formulations. It is most effective at acidic pH and is often combined with other preservatives for broad-spectrum protection. |
| Hydroxyethyl Cellulose Thickener / viscosity modifier | Hydroxyethyl cellulose is a non-ionic, water-soluble cellulose derivative used to thicken and stabilize aqueous skincare formulations and improve texture. It functions as a rheology modifier and film-forming agent rather than a biologically active treatment ingredient. |
| 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. |
| 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. |
| Propyl Gallate Antioxidant/preservative | Propyl gallate is an ester of gallic acid used in cosmetic and food formulations primarily as an antioxidant to prevent the oxidation and rancidity of oils and fats, thereby extending product shelf life. It is typically present at low concentrations as a stabilizing agent rather than a therapeutic active. |
| BHT Antioxidant/preservative | BHT (butylated hydroxytoluene) is a synthetic phenolic antioxidant used in small amounts to prevent oxidation and rancidity of oils, fragrances, and other unstable components, helping maintain product stability and shelf life. |
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.