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Formulation, in vitro release and transdermal diffusion of salicylic acid and topical niacinamide
(North-West University, 2009)
Acne affects as many as 80% of young adults and adolescents all over the world. This detrimental condition can be classified into four stages: (a) open comedo (blackhead), (b) closed comedo (whitehead), (c) papule and (d) ...