what ph are peels
TCA Peels | 10% / 20% / 30%. The TCA (Tricholoracetic Acid) peel is available in 10%, 20% and 30% strengths with pH levels ranging from 0.7 to 0.9. It is generally the most aggressive type of peel offering deep penetration for more significant skin issues such as deep wrinkles, stubborn hyperpigmentation, sun damage, and acne scarring.