Patch test first – Especially if you have sensitive skin.
Avoid mixing with certain actives – Do not use at the same time as retinol, AHAs, or BHAs to prevent irritation.
Mild tingling is normal – But discontinue use if redness, burning, or itching occurs.
Store properly – Keep in a cool, dark place to prevent oxidation.
Pregnant or nursing women – Consult a dermatologist before use.