volume or weight of contents : 30ml product main specifications : gel off serum expiration date (or expiration date after opening) : 36 months before opening how to use : step 1) apply. apply 3 to 4 drops of gel-off serum onto the edges of the toenails. step 2) wait. wait for about 5 to 7 seconds for the serum to be absorbed into the crevices. step 3) remove. remove the gel by gently pushing the edge with a wood stick. step 4) absorption time key. tap the remaining serum for absorption to complete nutritional care. ingredients : propylene carbonate, purified water, ethanol, fragrance, hexylcinnamal, limonene, cypress leaf extract, eucalyptus leaf extract, butylene glycol, peppermint extract, geraniol, 1,2-hexanediol, hydrolyzed keratin, sheet. lal, linalool, hydroxycitronellal, citronellol, yeast extract, ascorbic acid, tocopherol, lecithin, phenoxyethanol, biotin precautions when using : 1. if there are any abnormal symptoms or side effects, such as red spots, swelling, or itching, when using cosmetics or after use, due to direct sunlight on the area of ​​use, consult a specialist. 2. refrain from using on areas with wounds, etc. 3 precautions for storage and handling a) store out of reach of children. b) store away from direct sunlight. purified water, sodium c14-16 olefin sulfonate, lauryl glucoside, decyl glucoside, cocamide mipha, brewer's yeast extract, caffeine, panthenol, niacinamide, salicylic acid, 1,2-hexanediol, polyquaternium-22 , glyceryl caprylate, polyquaternium-10, caprylyl glycol, citric acid, fragrance, linalool, limonene : precautions when using