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Sodium Hydrosulfite

Sodium hydrosulfite is a white crystalline powder primarily used as a reducing agent. In cosmetics, it can function as a hair dye reducing agent or a preservative. Its strong reducing properties make it effective for certain chemical processes.

NoneReducing agentVeganEvidence: Medium
BenefitNone 0 / 4
RiskModerate 1.5 / 4
Irritation i1.5 / 4

Risk of short-term irritation — stinging, burning, dryness, redness, or discomfort. Common for strong actives, acids, retinoids, fragrances, and harsh surfactants.

Sensitization i1 / 4

Risk of allergic contact dermatitis or immune-based reactions. Fragrance allergens, preservatives, botanicals, and some dyes may score here.

Rated by SpottyLabs' ingredient methodology, independent of brands.

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Products with Sodium Hydrosulfite

Crema Colorante per Capelli senza Ammoniaca
I Love Riccio
Crema Colorante per Capelli senza Ammoniaca
3.3/ 56/10/11

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