skincare benefits of amino acids

The best skincare ingredients are SO underrated.

Take amino acids, for example.

Amino whaaaaaaat?


What Are Amino Acids?

Amino acids are the building blocks of all proteins. They make up 75% of the human body!

They’re essentials to almost all of its functions, including the synthesis of collagen. There is no way skin can function without them. And yet, everyone ignores them. Go figure 🙄

There are around 20 different amino acids. 8 are called essentials because you can only get them through food. These are:

  • Isoleucine
  • Leucine
  • Lysine
  • Methionine
  • Phenylanine
  • Treonine
  • Tryptophan
  • Valine

Other amino acids can be synthetize by the body. They are:

  • Alanine
  • Arginine
  • Aspartic acid
  • Cysteine
  • Cystine
  • Glutamic acid
  • Glutamine
  • Glycine
  • Histidine
  • Proline
  • Serine
  • Tyrosine

Struggling to put together a skincare routine that banishes dryness and makes your skin supple and dewy? Download your FREE “Best Skincare Routine For Dry Skin” to get started (it features product recommendations + right application order):

Amino Acid Benefits: What Do They Do For Skin?

You can always tell when skin lacks amino acids. It ain’t a pretty picture:

  • Amino acids are involved in the production of collagen and elastin, which keep skin elastic and firm. When amino acids become scarce, skin gets thinner.
  • Amino acids hydrate skin. The fewer are in the skin, the rougher it becomes.
  • Amino acids help skin heal faster. Without them, the healing process slows down to a snail’s pace.

Related: 8 Science-Backed Ways To Rebuild Lost Collagen

What Are The Most Common Amino Acids In Skincare Products?

Amino acids are like antioxidants: the more you use, the happier your skin will be. But some amino acids work better than others. They hydrate skin, speed up the healing process, make wrinkles look smaller and even soothe irritations.

Here are the main ones you should look out for:







  • Hydrates skin.
  • Plays an important role in the formation of collagen.



Helps other ingredients (especially proteins) penetrate the skin.

What Are The Best Products With Amino Acids?