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This phrase describes a function or benefit of an ingredient or product, specifically its role in supporting the skin's protective barrier. It is not an ingredient itself.
No specific concern data available
Safety summary
As a descriptive phrase for a function, it has no inherent safety profile. The safety of an ingredient that aids barrier formation depends on its chemical nature.
For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.