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Gentle chemical exfoliants (like lactic acid or PHA) used 23 times per week are far more effective and less damaging

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Biochemistry 37 , 1323913249 (1998)

Sharma A, Kumar V, Shahzad B et al (2020) Photosynthetic response of plants under different abiotic stresses: a review
It is not a hormone, not a peptide hormone analog, and not approved for any human therapeutic use by any regulatory authority as of 2025