On the advisability of using niacinamide essence after fruit acid toner
The way of skin care, the combination of various products is related to efficacy and skin feel. Fruit acid toner, containing hydroxyacetic acid, etc., has the power of rejuvenating the skin, can exfoliate, promote metabolism, and make the skin smooth. Niacinamide essence can block the transfer of melanin, brighten the skin and strengthen the muscle surface barrier. However, there are different opinions on the order of using the two together.

Or doubt, after using fruit acid toner, the stratum corneum of the skin is temporarily thin. At this time, using niacinamide essence, will niacinamide irritate the skin? In fact it is not. Niacinamide is relatively stable in nature. If the skin tolerates both, use niacinamide essence after fruit acid toner to achieve synergistic effect. After fruit acid rejuvenates the skin, the skin's metabolism is fast, and niacinamide can help it brighten and repair better.

But if you use it, you need to test sensitivity first. Apply a small amount of fruit acid toner and niacinamide essence behind the ear or inside the forearm to see if there is redness, itching, and tingling. If there is no discomfort, you can use it on the face. And when using fruit acid toner, you should start from a low concentration, wait for the skin to adapt, and then adjust the concentration.

In summary, if the skin tolerates it, according to the correct method, using nicotinamide essence after fruit acid toner can add the effect of skin care and achieve the purpose of brightening and repairing.