Nicotinamide HydratingEfficacy: shrink pores, tighten, moisturize, brighten skin tone, moisturize, control oil and replenish water Applicable to the crowd of women products series hansel essence set Suitable for all skin types Product name: niacinamide hydrating essence Specification: 2ml*7 PCS Usage: Every morning and evening, drop the 1 2 ampere into your palm, massage your hands until warm and then apply it to your face and neck. Gently massage until fully absorbed