The Ordinary
Niacinamide 10% + Zinc 1%
High-strength vitamin and mineral blemish formula. Combines niacinamide with zinc PCA to visibly reduce blemishes and balance oily skin.
Ingredient Snapshot
11 beneficial ingredients detected with no known safety concerns.
No flagged ingredients detected — all analysed ingredients are considered safe.
Ingredients (11)
Water
Benefits
- ✓Primary solvent that dissolves and delivers active ingredients
Sources
Aqua (Water) — CIR Expert Panel Safety Assessment: The CIR Expert Panel concludes that water (aqua) is safe as used in cosmetic formulations.
CTPA Ingredient Library — Aqua (Water): Water is the most commonly used cosmetic ingredient and is listed as safe by the CTPA with no restrictions on use.
Niacinamide(Vitamin B3)
Benefits
- ✓Minimizes pores
- ✓Evens skin tone
- ✓Strengthens the skin barrier
- ✓Anti-inflammatory
Potential concerns
- !May cause flushing at high concentrations in sensitive individuals
Sources
Niacinamide (Vitamin B3) — FDA Cosmetic Ingredient Review: Niacinamide is considered safe for use in cosmetics. It is a well-established skin-conditioning agent with evidence supporting its role in improving skin texture, tone, and barrier function.
CTPA Ingredient Library — Niacinamide: CTPA lists niacinamide as a safe and effective skin-conditioning agent widely used across cosmetic formulations, with a strong safety profile across concentrations typically used in cosmetics (2–10%).
Pentylene Glycol
Benefits
- ✓Humectant that retains moisture
- ✓Boosts preservative efficacy
Sources
CTPA Ingredient Library — Pentylene Glycol: Pentylene Glycol is approved for use in cosmetics as a humectant and solvent. It is considered safe at concentrations used in leave-on and rinse-off formulations.
Zinc PCA
Benefits
- ✓Regulates sebum production — beneficial for oily and combination skin
- ✓Has antimicrobial properties that may reduce acne-causing bacteria
- ✓Soothes inflammation and redness
- ✓Supports healthy skin cell renewal
Potential concerns
- !Very high concentrations of zinc compounds may irritate sensitive skin
Sources
Korean MFDS — Zinc Compounds in Cosmetics: Korean MFDS recognises zinc-based compounds as safe and effective for use in cosmetics for sebum regulation and skin-soothing purposes. Zinc PCA is approved for leave-on skin care formulations.
Dimethyl Isosorbide
Benefits
- ✓Acts as a penetration enhancer — helps active ingredients absorb more effectively into the skin
- ✓Lightweight solvent that improves formula texture without leaving a greasy residue
Potential concerns
- !As a penetration enhancer, it may increase the absorption of other ingredients, including any potentially irritating ones in the formula
Sources
CTPA Ingredient Library — Dimethyl Isosorbide: Dimethyl Isosorbide is listed as a safe solvent and penetration enhancer in cosmetic formulations by CTPA. It is used to improve the delivery of active ingredients to the skin.
Tamarindus Indica Seed Gum(Tamarind Seed Gum)
Benefits
- ✓Natural polysaccharide that provides long-lasting skin hydration
- ✓Forms a lightweight film on the skin surface that reduces moisture loss
- ✓Helps improve skin elasticity and smoothness
Sources
CTPA Ingredient Library — Tamarindus Indica Seed Gum: Tamarind seed gum is considered safe for use in cosmetics as a humectant and film-forming agent. It is a naturally derived ingredient with no known safety concerns at concentrations used in cosmetics.
Xanthan Gum
Benefits
- ✓Natural polysaccharide that thickens and stabilizes formulas
- ✓Improves texture and skin feel
Sources
FDA — Xanthan Gum Safety Assessment: FDA considers xanthan gum safe for use in cosmetics as a thickening and stabilising agent. It has a long history of safe use in both food and cosmetic products.
Isoceteth-20
Benefits
- ✓Emulsifier and solubiliser that helps oil and water-based ingredients blend uniformly
- ✓Improves the texture and spreadability of the formula
Potential concerns
- !As a PEG-derived ingredient, may cause mild irritation for individuals with very sensitive or compromised skin barriers
Sources
CTPA Ingredient Library — Isoceteth-20: Isoceteth-20 is approved for cosmetic use as a surfactant and emulsifying agent. It is considered safe at concentrations typically found in leave-on and rinse-off formulations.
Ethoxydiglycol(Diethylene Glycol Monoethyl Ether)
Benefits
- ✓Solvent that improves penetration of actives
- ✓Enhances spreadability
Sources
CTPA Ingredient Library — Ethoxydiglycol: Ethoxydiglycol is listed as a safe solvent in cosmetic formulations by CTPA. It is used to improve product texture and ingredient delivery.
Phenoxyethanol
Benefits
- ✓Broad-spectrum preservative preventing microbial contamination
Potential concerns
- !Potential skin sensitizer in some individuals
Sources
FDA — Phenoxyethanol in Cosmetics: FDA has reviewed phenoxyethanol as a cosmetic preservative and considers it safe at concentrations up to 1.0% in cosmetic products. FDA advises caution in products used around the mouth of infants.
CTPA Ingredient Library — Phenoxyethanol: CTPA confirms phenoxyethanol is a permitted cosmetic preservative under EU Cosmetics Regulation at a maximum concentration of 1.0%, and is considered safe for use in both rinse-off and leave-on products.
Chlorphenesin
Benefits
- ✓Broad-spectrum preservative against bacteria and fungi
Potential concerns
- !May cause sensitization in some individuals
Sources
CTPA Ingredient Library — Chlorphenesin: Chlorphenesin is a permitted cosmetic preservative under EU Cosmetics Regulation (max 0.3% in rinse-off, max 0.2% in leave-on products). CTPA considers it safe when used within these limits.
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