round transparent drop of clear gel serum on gold background

What is 4D Hyaluronic Acid?

You might be thinking, “I know, I know. Hyaluronic Acid is for hydration.” And yes, you would be right. However, have you heard of 4D Hyaluronic Acid? If not, the next part is definitely worth the read! What you may not know about ordinary Hyaluronic Acid, or HA, is that the molecule is too large …

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