For Day and Night Use: For Normal Skin: (1) After cleansing the face in the morning, take the appropriate amount of this dark spot remover for face serum and smooth over on scattered spots. After, do the routine maintanence, following the sequence "Toning-Lotion-Essence-Cream-Sunscreen" ; (2) For the night, do same. After, do basic maintanence. For Sensitive Skin: Use this dark spot remover only in the night. The skin is especially sensitive in Spring and Fall, reduce the amount of the serum. Superior Absorption: This dark spot corrector for body is oil-based, it helps super absorption. The oil permeability of this dark spot remover for face is stronger than water-based, and this dark spot corrector for face is not easy to volatilize. Developed for Multiple Skin Types and Tones: MESANDY dark spot remover serum works wonderful for both men and women of all skin types. Including normal skin, neutral, oily, dry, combination and sensitive skin. Effective: Mesandy dark spot corrector for face serum penetrates deeply into the skin to diminish hyperpigmentation, sun spots and freckles. Improves uneven skin tone, brightens and whitens the complexion with a-arbutin, glycyrrhiza glabra (licorice) root extract and glutathione in a balanced way. Spots Issue Targeted Facial Serum : Our dark spot remover for face serum is a regimen targeted facial spots issue, including but not limited in sun spots, facial freckles, melasma, brown spots. Made with the main positive anti-spots ingredients 4-butylresorcinol, kojic Acid, lactic acid and salicylic acid, which restore skin's complexion by blocking tyrosinase to fade pigmentation.GTIN: 667977635842. Best Sellers Rank: See Top 100 in Beauty & Personal Care. Brand: MESANDY. Scent: Aloe. Use for: Face. Product Benefits: Brightening,Uneven Skin Tone. Skin Type: All Skin Types,Normal Skin,Oily,Sensitive Skin. : B09MF4NXD9. Manufacturer: Mesandy. UPC: 667977635842. Package Dimensions: 5.87 x 1.77 x 1.73 inches; 3.53 Ounces.