Glycolic acid is often used for dull, rough skin to enhance radiance and fade wrinkles. It also has the ability to reduce hyperpigmentation, small bumps, and acne scars. 

Compared to glycolic acid, salicylic acid is oil-soluble, aka it can penetrate the fat layers reaching the pores and unclog them. Besides its ability to give pores a deep cleanse, salicylic acid can remove excess oil and dead cells buildup.

When to use glycolic acid

• For on-the-surface exfoliation
• Fade hyperpigmentation
• Minimize wrinkles look

When to use salicylic acid

• Manage acne
• Balance oily skin
• Remove blackheads