Snapshot
- Overview
- Vitamin B1 added for mild antioxidant and skin-conditioning benefits.
- Category
- Antioxidant, Skin Conditioning
- Type
- Antioxidant
Thiamine HCL
Thiamine HCl is the hydrochloride salt of vitamin B1, a water-soluble nutrient used in cosmetic formulas. It's included for its antioxidant role and its conditioning effect on product feel, with limited data on visible outcomes from topical use.
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Our take
Is Thiamine HCL a Good Ingredient?
It rates Fair because, while included as a supportive antioxidant, solid clinical data for visible skin benefits from topical B1 is limited. A small subset of users may also experience mild stinging or sensitivity, particularly at higher use levels.
What it does
Skin Benefits
May help neutralize free radicals and contribute to a softer, conditioned skin feel, though topical outcomes are modest and clinical support for dramatic results is limited.
Where you'll find it
Uses in Skincare & Cosmetics
Used in water-based toners, essences, and moisturizers as a supportive vitamin component within multi-antioxidant formulas.
Before you use it
Safety
Typically low irritation potential and compatible with water-based formulas. Sensitive skin may notice transient tingling; patch test if prone to reactivity. No widely recognized regulatory limitations for cosmetic use.
Products with Thiamine HCL
