On the Combination of Glycolic Acid and Lactic Acid
Glycolic acid and lactic acid are both genera of acids and have applications in various fields. Whether the two can be used together is the main point of everyone's attention.

Glycolic acid is lively and is often used for rejuvenation and exfoliation in the field of skin care. Its molecules are small, can quickly enter the deep layers of the skin, promote the renewal of the stratum corneum, make the skin glow, and have significant effects on improving skin roughness and fine lines.

Lactic acid is also not inferior, and is one of the natural moisturizing factors. It not only has the ability to moisturize and moisturize the skin, but also has a gentle exfoliating effect, which can adjust the pH of the skin, create an environment suitable for the survival of microorganisms, and help the health of the skin.

As for whether the two can be used together, it should be viewed with caution. From the perspective of chemical properties, both are organic acids, and their properties are similar. When using them together, you must pay attention to their concentration and ratio. If the concentration is too high or the ratio is improper, it may cause irritation to the skin.

People with sensitive skin should be more cautious. Test a small amount of the mixture on the local skin first to see if there are any uncomfortable reactions, such as redness, itching, tingling, etc. If such symptoms do not appear, you can try to use it on a small scale.

Furthermore, when using, you should also pay attention to the frequency of use. Do not use it too frequently to prevent damage to the skin barrier. Reasonable control of the frequency of use can not only enjoy the synergistic effect of the two, but also protect skin health.

In summary, the combination of glycolic acid and lactic acid, if the method is appropriate, the concentration, ratio and frequency should be controlled appropriately, or it can bring better results for skin care; otherwise, it may cause skin problems. Users should make careful choices according to their own skin conditions to achieve the purpose of skin beauty.