On the feasibility of sharing glycolic acid toner and nicotinamide essence
The way of skin care for husband, there are many categories, glycolic acid toner and nicotinamide essence are both good skin care products, but whether the two can be used for the skin, there are different opinions, today's analysis.

Glycolic acid, belongs to the fruit acid family, has excellent effect. Its molecules are tiny, can go unimpeded, penetrate into the stratum corneum of the skin, loosen the connection between keratinocytes, promote the peeling of old keratin, and make the skin surface look new. The speed of skin metabolism increases, the texture becomes more delicate, the color is more uniform, and the brilliance is self-generated. And glycolic acid can stimulate collagen regeneration, strengthen the skin's support structure, slow down the growth of wrinkles, and make the skin firm and elastic.

Niacinamide serum should not be underestimated. Niacinamide can effectively block the transfer of melanin from melanocytes to keratinocytes, so as to achieve whitening and brightening, making the skin radiant and fair. At the same time, it can improve the skin barrier function, strengthen the skin's ability to resist external aggression, reduce water loss, and keep the skin hydrated at all times. It can also regulate the oil secretion of the skin. For oily skin, it can improve the oily appearance and make the skin refreshing and comfortable.

However, the two are shared, so it needs to be handled with caution. Glycolic acid is acidic. Niacinamide may be transformed at a specific pH, generating niacin. Niacin may cause skin discomfort, such as redness, tingling, itching and other allergic phenomena. Therefore, before combining, be sure to check the pH of the product. If the glycolic acid toner is too acidic, it should be avoided with niacinamide serum.

And the tolerance of your mileage may vary. For sensitive skin, even if the pH of the product is suitable, the combination may still cause discomfort. At this time, it should be tried on the local skin first, such as behind the ear or inside the wrist, and observed for 24 to 48 hours. If there is no abnormality, the scope of use can be gradually expanded.

If you want to use glycolic acid toner and nicotinamide serum together, you must carefully check the product characteristics, consider your skin condition, and try carefully to achieve the best skin care and maintain skin health and beauty.