A Guide to Next-Generation Peptides for Skincare

There are now dozens of next-generation peptides, and most guides list them alphabetically. That is not how anyone shops. You start with a concern: the lines on your forehead, a softer jawline, puffiness under the eyes. This page is a quick reference organized by concern, with each peptide's INCI name, its highest recommended usage rate, the drop count for 1 oz of base, and what level of evidence stands behind it.

For the background on what makes a peptide "next-generation," including stability, lipidation and how these ingredients are designed, see our Ultimate Guide to Next-Generation Peptides in Skincare.

How to Use This Reference

• Rates are each booster's highest recommended usage rate, taken from the Skin Perfection product page for that booster. Every blend on this page uses that top rate.
• Drops use the Skin Perfection house rate: 9 drops = 1% per fluid ounce of base. So 10% is 90 drops in 1 oz.
• Evidence is labeled as "published" when I could verify a peer-reviewed study, and as "supplier data" when the testing comes from the ingredient manufacturer's own dossier.

The Four Peptide Families in One Table

A 2017 review in Cosmetics groups cosmetic peptides into four families: signal peptides, carrier peptides, neurotransmitter-inhibiting peptides and enzyme-inhibiting peptides (Schagen, 2017). Knowing the family tells you which concern a peptide is built for.

Concern 1: Expression Lines (Forehead, Crow's Feet, the 11s)

These are the lines that deepen because your face makes the same movements every day. They are the target of the Botox comparison you often hear, though no topical peptide is Botox and none works like an injection.

What the evidence says: Argireline has the most published human data in this group. In a randomized, placebo-controlled study of 60 adults, twice-daily application to the eye-area lines for 4 weeks produced a total anti-wrinkle efficacy of 48.9% by visual grading, versus 0% for placebo (Wang et al., 2013). The Schagen review also summarizes a placebo-controlled study in 10 women using 10% Argireline twice daily for 30 days, with a reported 30% improvement in eye-area wrinkles. Argireline's INCI name was formerly Acetyl Hexapeptide-3, which is why you will see both names in the literature.

Quick blend for forehead and crow's feet (1 oz HA base): Argireline 90 drops (10%) + Snap-8 90 drops (10%). For the Argireline vs Snap-8 decision in detail, see Snap-8 vs Argireline.

Concern 2: Vertical Lines (Upper Lip and Between the Brows)

What the evidence says: The Schagen review reports a 3-month study in 37 women in which Syn-Ake improved the look of fine and coarse wrinkles, and an 84-day study in 60 volunteers applying palmitoyl tripeptide-5 twice daily, in which wrinkle and roughness scores improved more than with placebo.

Quick blend for lip lines and the 11s (1 oz HA base): Syn-Ake 45 drops (5%) + Syn-Coll 27 drops (3%). Syn-Ake has no preservative of its own, so use a preserved base.

Concern 3: Firmness, Jawline and Neck

This is slackness rather than lines: a softer jawline, jowls, loose skin on the neck. The tightening group of peptides is built for this.

What the evidence says: The Schagen review summarizes a blind, randomized, placebo-controlled half-face and forearm study of Matrixyl 3000 in 28 volunteers that reported reduced wrinkle depth, volume and roughness. The review does not state the concentration or duration. For Pepha-Tight, Relistase, Progeline and Uplevity, the testing I could find is the manufacturers' own, so I do not quote their percentages here.

Quick blend for jawline and neck (1 oz base): Matrixyl 3000 72 drops (8%) + Progeline 18 drops (2%) + Uplevity 18 drops (2%). Apply with upward strokes from the collarbone to the jaw. For a deeper look at this group, see our guide to the top skin tightening peptides.

Concern 4: The Eye Area

What the evidence says: The Argireline study above was run on eye-area lines, so it is the most directly relevant published data for crow's feet. EyeSeryl, Haloxyl and Regu-Age are supported by manufacturer testing. Regu-Age contains rice and soy peptides, which the Schagen review places in the enzyme-inhibiting family and notes have few in vivo studies.

Quick blend for puffiness and shadows (1 oz light eye gel): EyeSeryl 90 drops (10%) + Haloxyl 27 drops (3%), plus a preservative at 4% (1.2 g Leucidal Liquid), because EyeSeryl is preservative-free. Store it in the refrigerator and apply cold along the orbital bone.

One-Page Summary by Concern

Rules for stacking across concerns

• Keep each blend to 2 or 3 boosters. The finished product still has to be mostly base.
• Make separate blends for separate areas rather than one bottle for everything. An eye gel and a face serum are different products.
• Peptides that work through different routes complement each other. Argireline, Snap-8, Syn-Ake and Inyline, for example, all target expression lines through different pathways.
• Use a water-based base such as a hyaluronic acid serum or aloe gel. These boosters do not incorporate into oil-only products.
• Give any blend at least 4 weeks of twice-daily use before judging it. The published studies above ran 4 weeks to 3 months.

Putting it into a daily routine

1. Morning: cleanse, apply your face blend to the areas it targets, then your eye blend along the orbital bone, then moisturizer and broad spectrum sunscreen.
2. Night: cleanse, apply the same blends, then moisturizer. If you use a retinoid or exfoliating acid, apply peptides on the same night only once your skin tolerates the active well, or alternate nights.
3. Weekly check: take a photo in the same light each week. Expression-line peptides are judged on the areas you move most, so photograph them both relaxed and mid-expression.

Frequently Asked Questions

Which next-generation peptide has the strongest published evidence?

Of the boosters on this page, Argireline (Acetyl Hexapeptide-8) has the most published human data I could verify, including a 60-person randomized, placebo-controlled study on eye-area lines.

Can I use expression-line and firming peptides together?

Yes. They belong to different families and target different concerns. A common example is Argireline at 10% with Matrixyl 3000 at 8% in one serum.

What is the best peptide for the neck?

For slackness on the neck and jaw, the tightening group fits best: Matrixyl 3000 at 8%, with Progeline at 2% and Uplevity at 2%. For horizontal neck lines, Argireline at 10% can be added to a separate blend.

Do eye-area peptides need a different base?

Use a light gel or a light cream that stays where you put it. Any blend that contains EyeSeryl needs a preservative, because EyeSeryl has none.

Why are some peptides labeled "supplier data"?

Because the only testing I could find was the ingredient manufacturer's own efficacy dossier. That testing is real, but it has not been independently published, so I flag it rather than quote it as a peer-reviewed result.

Sources

• Schagen SK. Review of topical peptides with anti-aging results. Cosmetics. 2017;4(2):16. Review article grouping cosmetic peptides into signal, carrier, neurotransmitter-inhibiting and enzyme-inhibiting families, with summaries of human studies. DOI 10.3390/cosmetics4020016
• Wang Y, Wang M, Xiao S, Pan P, Li P, Huo J. Anti-wrinkle efficacy of Argireline in Chinese subjects: a randomized, placebo-controlled study. American Journal of Clinical Dermatology. 2013. 60 participants with eye-area lines; twice daily for 4 weeks. PubMed 23417317

These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease.

About the Author
Written by Kari Thomas, cosmetic formulator and founder of Skin Perfection.