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thickener

Sodium Chloride

Commonly feared, low concern·Strong evidence

Ordinary salt, used in surfactant-based products like shampoos and body washes to adjust viscosity by interacting with the surfactant micelles. It has no meaningful toxicity concern at cosmetic use levels; the main practical downside is that too much can make a formula feel less mild.

The myth vs the evidence

Because "chloride" and "sodium" sound clinical on an ingredient list, salt sometimes gets lumped in with "chemical" fears. It is the same substance used in food and has no unusual hazard profile in rinse-off cosmetics.

Questions

Does salt in skincare dry out skin?
The concern about salt drying skin is common, but salt itself isn't inherently drying when formulated properly. In rinse-off products, salt is typically used in small amounts and washes away; in leave-on products, it's paired with humectants to maintain hydration. Published safety reviews don't identify salt as a primary irritant in cosmetic formulations at typical use levels.
Is sodium chloride bad for skin?
Sodium chloride is common table salt, used in cosmetics as a texture builder and cleansing agent. The published evidence does not support the claim that cosmetic-grade salt harms healthy skin at typical use levels, though high-concentration salt solutions can irritate open cuts or compromised barriers.
Why is salt in my skincare if it dries skin?
The idea that all salt dries skin is a simplification; salt's effect depends on concentration, formulation context, and product type. In leave-on formulations, salt is almost always balanced with other ingredients that support hydration.

Products with Sodium Chloride

References

Cosmetic information for general education, not medical advice. A verdict is a reading of the published evidence, never a guarantee for your skin: any ingredient can irritate someone, so patch test new products and see a professional if you react. Concern is graded on cited evidence, never on hazard-score lists. See how we score.