Hyaluronic Acid vs Peptides: Which Serum Fits First?
By The Ordinary | Clinical Formulations with Integrity | Published: 2026-10-19
Category: Comparisons
Compare hyaluronic acid and peptide serums to decide which to use first. Learn key differences, layering tips, and when each is best for your skin.
Quick Answer
For most routines, apply a hydrating serum like hyaluronic acid first, then follow with a peptide serum. If your peptide serum is water-based, you can layer it before or after HA depending on texture preference.
What Each Serum Does
Hyaluronic acid (HA) is a humectant that draws water into the skin, providing immediate hydration and a plump appearance. It works well for all skin types, especially dehydrated or dry skin.
Peptides are short chains of amino acids that signal skin to support firmness and reduce the look of fine lines. The Ordinary Multi-Peptide Eye Serum, for example, combines multiple peptide technologies to target visible aging around the delicate eye area.
While HA focuses on moisture, peptides focus on long-term skin structure. They are not mutually exclusive; many routines include both.
Key Differences in Texture and Purpose
Hyaluronic acid serums are typically lightweight, watery, and fast-absorbing. They work best on damp skin to lock in moisture.
Peptide serums can be slightly thicker or more gel-like, depending on the formulation. They are often designed to be layered with other products.
The main trade-off is priority: if your main concern is dehydration, HA should come first; if you are targeting fine lines and firmness, peptides may take precedence in your routine.
How to Choose and Layer
- Hydration first: If your skin feels tight or looks dull, apply a hyaluronic acid serum first on damp skin, then follow with your peptide serum. This helps HA draw in water and allows peptides to absorb on top. Always apply HA to damp skin for best results.
- Peptides first: If your peptide serum has a thinner texture than your HA serum, you can apply it first and then layer HA over it. This is fine as long as each product absorbs before the next. Texture matters more than a strict rule; let each layer dry slightly.
- Mix or alternate: You can mix a few drops of HA serum with your peptide serum in your palm and apply together. This saves time and reduces pilling, but avoid mixing if either product has a high silicone content. Test on a small area first to check for any irritation or pilling.
Product Spotlight
- Multi-Peptide Eye Serum: The Ordinary Multi-Peptide Eye Serum is formulated with a multi-technology peptide complex to target visible signs of aging like fine lines and loss of firmness around the eye area. This peptide serum is a good choice if your primary concern is aging around the eyes; pair it with a hydrating serum for overall moisture.
Multi-Peptide Eye Serum
Which Should You Choose?
Best for
- People with dehydrated or dry skin who need immediate moisture
- Those targeting fine lines and loss of firmness with a peptide serum
Not for
- If your skin is very oily and you prefer a single lightweight product, choose HA alone
- If you are sensitive to multiple active ingredients, start with one serum at a time
