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When ethanol and propylene glycol are not the right fit for your formula, three alternative co-solvents deserve serious consideration: glycerin,

When working with salicylic acid in aqueous cosmetic formulas, the single most important decision after pH is which cosolvent to

Salicylic acid solubility in water is one of the most critical factors cosmetic formulators must understand before working with this

Learning how to use salicylic acid on face correctly is the difference between clear, smooth skin and a red, irritated

If you’ve ever used a salicylic acid face wash and woken up to red, tight, or flaky skin the next