Instead Skinyouth Serum of "adding" hyaluronic acid, you need to stop the enzymatic process that breaks it down. One of the few known substances that will do that is a type of kelp called Wakame. When used in a skin care system, it has been shown to increase levels of hyaluronic acid by as much as 50% in just five days.
Air drying your hair as much as you can is the best way to avoid heat damage. Straighteners, curling irons, and dryers can be harsh on your head. If using a hair dryer is a must, then at least use the mildest setting possible. Doing this ensures your hair will remain soft and smooth.

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