Glycolic acid (or hydroxyacetic acid; chemical formula. HOCH2CO2H) is a colorless, odorless and hygroscopic crystalline solid that is highly soluble in water. It is used in various skin-care products.
Glycolic acid can reduce blackheads thanks to its keratolytic action: it weakens the bonds between corneocytes and facilitates the removal of dead cells, thereby unclogging pores.
Glycolic acid not only exfoliates the surface of the skin but penetrates to dissolve the sebum that causes blackheads. Various glycolic acid products can be used in a combination approach to both clear blackheads and prevent new blackheads from forming.

Furthermore, visual representations like the one above help us fully grasp the concept of Glycolic Acid Suppresses Blackheads.
Glycolic acid is an alpha-hydroxy acid (AHA) with the smallest molecular size in its family. This tiny molecular structure allows it to easily penetrate the top layer of skin to dissolve the sebum and dead skin cells that form blackheads.
Yes, glycolic acid effectively exfoliates pores by dissolving dead skin cells and excess oil that cause blackheads. Its chemical exfoliation helps clear clogged follicles, reducing blackhead formation over time without harsh abrasion.
s the smallest AHA, glycolic acid can actually penetrate skin deeper than other AHAs. Its used as an exfoliant to help get rid of dead skin cells and unclog pores. The result: Your skin appears brighter, smoother and more radiant.