It will improve the skin's appearance and help to remove surface debris and dead skin cells.
Used in a hair pack, it will cleanse a congested scalp for example, after a weave has been removed, having been on for several months.
Use 1%-10%. Never use directly on the skin.
Best added in the stage 3 (cool down) when making creams and lotions.
Be aware that Lactic Acid can make creams and lotions thinner or unstable so you need to start with a very strong and stable cream or lotion.
As a pH regulator, it can be used to move the pH number lower (more acidic) for when using Preservative K which only functions correctly in a narrow pH range.
It works well in conjunction with Vitamin A, B and C. Be sure to check the final pH level is not less than 3.5 when combining several acidic ingredients together.