Paragraph match score 79.5%
Page A-019
When lactic acid makes skin dry: why it happens and how to prevent it
Combining too many actives at once: layering lactic acid with strong retinoids, vitamin C, and physical scrubs in the same routine is a common recipe for stinging, redness, and dehydration.
Page A-020
Designing a balanced salicylic acid skin care routine for Indian skin
Be careful when layering with other strong actives Using high-strength retinoids, strong AHAs, or benzoyl peroxide in the same routine as salicylic acid can increase irritation risk. Many people do better by alternating nights (for example, salicylic acid on some evenings, retinoid on others) instead of stacking everything together. [5]