The more effective formulations in

The more effective formulations in this study were those with pH 4.5 and 2.8; they were equal statistically, which agrees with results described in the technical literature. On the other hand, the literature cites cases in which an active acid substance was altered by the pH. With Ascorbic Acid, on wants the highest possible penetration into the skin because Ascorbic Acid' effects occur in the dermis.

The more effective formulations in this study were those with pH 4.5 and 2.8; they were equal statistically which agrees,, With results described in the technical literature. On the, other hand the literature cites cases in which an active acid. Substance was altered by the pH. With, Ascorbic Acid on wants the highest possible penetration into the skin because Ascorbic. Acid "effects occur in the dermis.