Caustic Soda

1% line markerAI-analyzed

INCI: SODIUM HYDROXIDE (NAOH)

pH adjustersaponifying agentdenaturant

What it does

Sodium Hydroxide is a strong alkali commonly used in cosmetics to adjust pH, saponify oils in soap making, and as a denaturant.

No specific concern data available

Safety summary

Highly corrosive in concentrated form; safe for use in cosmetics when properly neutralized or used in very low, controlled concentrations.

1% line marker

This ingredient is commonly used as a marker to identify where ingredients drop below 1% concentration on the label.

For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.