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INCI: PHENOLSULFONPHTHALEIN
This ingredient is used to adjust and stabilize the pH of a cosmetic product, ensuring it remains within an optimal range for efficacy and skin compatibility.
No specific concern data available
Safety summary
Generally considered safe for cosmetic use in regulated concentrations as a pH adjuster.
CAS Number
143-74-8
For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.