Peptide Skincare & BeautySkin science and ingredient guides

Ingredient or product comparison

Kiehl's Ultra Facial Cream with Squalane Versus First Aid Beauty Hydrating Serum With Hyaluronic Acid

This barrier-repair moisturizer is formulated around Squalane and Pseudoalteromonas Ferment Extract to strengthen the skin barrier and hydrate skin. This hydrating serum is formulated around Sodium Hyaluronate and Colloidal Oatmeal to hydrate skin and calm red

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  • This barrier-repair moisturizer is formulated around Squalane and Pseudoalteromonas Ferment Extract to strengthen the skin barrier and hydrate skin.
  • This hydrating serum is formulated around Sodium Hyaluronate and Colloidal Oatmeal to hydrate skin and calm redness.