It is inaccurate to say that aloe vera gel will turn black when used for a long time. Whether it is 92% or 99% aloe vera gel, long-term use will not lead to skin blackening.

Let's take a look at the ingredients and effects of aloe vera gel. Aloe gel is mainly made of aloe extract, which is rich in natural active ingredients such as vitamins, amino acids and polysaccharides. These ingredients have moisturizing, antioxidant, soothing and repairing effects, which help to improve skin problems and make skin healthier.

For 92% and 99% aloe vera gel, there is no essential difference in composition. The only difference is the concentration. 99% aloe gel is pure. But no matter which concentration of aloe vera gel is used, it will not cause the face to turn black.

However, some people may feel their faces darkened or blackened after using aloe vera gel. This may actually be caused by other reasons, such as allergic reactions or personal skin characteristics. If this happens after using aloe vera gel, it is recommended to stop using it and consult a professional doctor or dermatologist.

We should pay attention that aloe vera gel is not the only factor that affects skin pigmentation. The color of skin is influenced by many factors, such as heredity, environment, exposure time to sunlight and so on. If you are exposed to strong ultraviolet rays for a long time, there are no proper sun protection measures, or there are other factors that stimulate pigmentation, which may lead to blackening of the skin.

Whether the concentration of aloe vera gel is 92% or 99%, it will not cause skin blackening under normal use. If you have any discomfort or questions during use, it is recommended to consult a professional doctor or dermatologist. Remember, keeping good daily skin care habits and proper sun protection measures are the key to keeping skin healthy and bright.