Using ACV at full strength can lead to chemical burns and severe irritation. before topical use. Ways to Use Apple Cider Vinegar for Your Face - Healthline

Diluted ACV can help restore the skin's optimal pH level, which improves its ability to retain moisture and defend against bacteria.

The skin's natural "acid mantle" has a slightly acidic pH (around 5.5). When this balance is disrupted by harsh soaps or environmental factors, skin can become dry, rough, or irritated.

ACV contains acetic acid, which has antibacterial and antifungal properties that can help manage acne or minor skin infections that cause roughness. Safe Application Methods

The malic and lactic acids in ACV help dissolve the "glue" holding dead skin cells together, promoting cell turnover and creating a softer texture.

Apple cider vinegar (ACV) is a popular home remedy for skin health, often used to soften and smooth the complexion. Its effectiveness lies primarily in its natural acidity and the presence of like malic acid, which act as gentle chemical exfoliants to remove dead skin cells and reveal smoother skin underneath. How ACV Works for Skin Softening