11pm~5am: This is when cell growth and repair is at its peak, with cell division about 8 times faster than usual and skin absorption of skin care products is particularly strong. You should use a nourishing night cream rich in nutrients to maximize the maintenance effect. 6 a.m. to 7 a.m.: The secretion of adrenocorticotropin drops to its lowest point at 4 a.m. As water accumulates in the cells, lymphatic circulation is slow, and some people have swollen eyelids at this time. The morning maintenance has to cope with the stresses that the skin is subjected to throughout the day, such as dust and sunlight, so choose a day cream that is highly protective and combines sun protection, moisturizing and nourishing in one. For those who have puffy eyes in the morning, use an eye cream that enhances eye circulation and tightens eye bags. 8am-12pm: The skin’s functional action is at its peak, tissue resistance is strongest, and sebaceous glands are most active. Beauty projects such as facial and body hair removal, spot removal, mole removal and eyebrow tattoo and eyeliner can be done. 1:00~3:00 pm: Blood pressure and hormone secretion are lowered, the body gradually becomes tired, the skin is prone to fine wrinkles, and the skin’s absorption of cosmetics containing highly effective substances is particularly weak. At this time, if you want to make your skin look alive, you can use some extra serum, moisturizer, firming mask, etc. 4:00 ~ 8:00 p.m.: With the enhancement of microcirculation, the oxygen content in the blood increases, the cardiorespiratory function is excellent, and the pancreas is very active at this time and can fully absorb nutrients. This is the most suitable time for professional women to go to the beauty salon for maintenance. Also according to the hobby of fitness with, such as fitness dance, pedal exercise, etc., to strengthen the absorption of skin to beauty products. 8 p.m. – 11 p.m.: This time is most likely to have allergic reactions, microvascular resistance is weak, blood pressure drops, the body is prone to edema, bleeding and inflammation, so it is not suitable for beauty care.