Peptides for Skin 101: What They Are and Why Your Skin Loves Them

Peptides are short chains of amino acids — the same building blocks that make up proteins like collagen, elastin, and keratin in your skin. These proteins are responsible for firmness, elasticity, and overall skin structure. As we age, natural production of collagen and elastin slows down, leading to fine lines, wrinkles, and a loss of plumpness

Enter peptides: when applied topically, they send signals to your skin that it’s time to produce more of these vital proteins.

What Do Peptides Do for the Skin?

Not all peptides are the same, but the right ones can offer major skin benefits:

• Stimulate collagen production — leading to firmer, smoother skin.

• Reduce fine lines and wrinkles — especially when used consistently over time.

• Strengthen the skin barrier — keeping moisture in and irritants out.

• Reduce inflammation and redness — making them great for sensitive or compromised skin.

• Improve skin tone and texture — giving your skin that healthy, balanced look.

Different Types of Peptides You’ll See in Skincare

• Signal peptides (like Matrixyl): Tell the skin to ramp up collagen and elastin production.

• Carrier peptides (like copper peptides): Deliver trace elements to the skin that support healing and regeneration.

• Enzyme inhibitor peptides: Help slow the breakdown of collagen, preserving firmness.

• Neurotransmitter peptides (like Argireline): Help relax facial muscles and reduce expression lines (some call it “Botox in a bottle”).

Who Should Use Peptides?

Pretty much everyone. Peptides are gentle enough for most skin types and can be especially helpful if you’re dealing with:

• Early signs of aging

• Loss of firmness or elasticity

• Dull or uneven skin tone

• Barrier repair after treatments like microneedling or chemical peels

How to Use Peptides in Your Routine

• Cleanse thoroughly so peptides can penetrate.

• Apply a peptide serum or moisturizer to damp skin.

• Pair with hydrating ingredients like hyaluronic acid for better absorption.

• Be consistent. Like most skin treatments, peptides work best over time.

Pro tip: Avoid using peptides in the same layer as strong exfoliating acids (like glycolic or salicylic) as they can destabilize the peptide and make it less effective.

The Bottom Line

Peptides are one of skincare’s most proven multitaskers — working behind the scenes to firm, smooth, and protect your skin. Whether you’re just starting to notice fine lines or want to maintain the results of professional treatments, a quality peptide product can be a game-changer.

At Skin Health Studios, we use and recommend clinical-grade peptide formulas as part of many customized treatment plans — especially post-microneedling, after chemical peels, and for long-term age prevention.

Want help choosing the right peptide product for your skin? Book a consultation — we’ll build the perfect routine together.