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A tripeptide-5 serum costs whatever the brand charges for the bottle, but the number that tells you what you are really paying for is the cost of the Palmitoyl Tripeptide-5 itself at a known percentage. At Skin Perfection, the raw Syn-Coll Peptide Serum Booster (Palmitoyl Tripeptide-5) is $36.95 for 0.5 fl oz. At its 3% maximum usage rate (27 drops per ounce), one bottle makes roughly 16 ounces of serum, so the peptide costs about $2.22 per finished ounce. Blend it into an aloe base at about $4.99 per ounce and a 3% tripeptide-5 serum costs you about $7.21 an ounce.
This guide shows the math so you can price any tripeptide-5 serum on any shelf, explains which label details move the price up or down, and gives exact recipes at the manufacturer's highest usage rate. Prices quoted are Skin Perfection list prices on October 25, 2026.
What You Are Actually Paying For in a Tripeptide-5 Serum
Palmitoyl Tripeptide-5 is a short amino acid sequence (three amino acids) with a palmitic acid tail attached to help it sit in the skin's oily outer layer. It is sold to formulators under the trade name Syn-Coll. In a finished serum, the bottle price covers four things:
- The active itself. In a 3% blend, the peptide booster is 3 parts in every 100. Everything else is base.
- The base. Water, aloe, glycerin, hyaluronic acid or a lotion. The base is usually 85 to 97 percent of what is in the bottle.
- Packaging. Airless pumps and glass droppers cost more than plastic flip caps.
- Brand margin and marketing. This is the part that varies the most and tells you the least about performance.
The only part that changes how the serum performs on the look of firmness and fine lines is the first one, at a percentage you can check. That is why the useful comparison is cost per percent of active, not cost per bottle.
Cost Per Ounce: The Math, Step by Step
Skin Perfection's house conversion for serum boosters is 9 drops = 1% per fluid ounce, which equals about 0.3 g. Here is how that turns a bottle price into a per-ounce cost:
- Drops per bottle. A 0.5 fl oz bottle holds roughly 15 ml. At the house conversion of 0.3 g per 9 drops (about 30 drops per gram, assuming a water-like density), that is approximately 450 drops. Consider this an estimate: droppers vary.
- Drops per ounce at the highest rate. The Syn-Coll product page lists a usage rate of 1 to 3%. At 3%, that is 27 drops (0.9 g) per ounce of base.
- Ounces per bottle. 450 drops divided by 27 drops = about 16.7 ounces of finished serum.
- Peptide cost per ounce. $36.95 divided by 16.7 = about $2.22 per ounce.
Add the base cost and you have the real price of a 3% tripeptide-5 serum. The table below uses current Skin Perfection prices.
| Build | Base cost per oz | Actives added per oz | Approximate total per oz |
|---|---|---|---|
| Aloe Vera Gel Serum Base (4 oz, $19.95) + Syn-Coll 3% | $4.99 | 27 drops Syn-Coll ($2.22) | $7.21 |
| Aloe base + Syn-Coll 3% + Matrixyl 3000 8% | $4.99 | 27 drops Syn-Coll ($2.22) + 72 drops Matrixyl 3000 ($4.79) | $12.00 |
| Hyaluronic Acid Plumping Serum (5 oz, $99.95) + Syn-Coll 3% | $19.99 | 27 drops Syn-Coll ($2.22) | $22.21 |
| Hyaluronic Acid Plumping Serum (1 oz, $29.95) + Syn-Coll 3% | $29.95 | 27 drops Syn-Coll ($2.22) | $32.17 |
The Matrixyl 3000 line uses the same math: the 0.5 oz Matrixyl 3000 Serum Booster is $29.95, and at its 8% maximum (72 drops per ounce) one bottle makes about 6.25 ounces, or about $4.79 per ounce.
For a broader look at how concentrated peptide serums are priced across the market, see our concentrated tripeptide serum pricing guide. This post stays on one question: what tripeptide-5 specifically costs once you know the percentage.
Why Two Tripeptide-5 Serums at the Same Price Are Not the Same Value
Is the percentage disclosed?
Most finished serums that name Palmitoyl Tripeptide-5 do not state how much is in the bottle. Without a percentage, you cannot calculate cost per percent, and you cannot compare one product to another. If a brand will not tell you, assume nothing.
Where it sits on the ingredient list
US cosmetic labels must list ingredients in descending order of predominance, but ingredients present at 1 percent or less may be listed in any order after the rest (21 CFR 701.3). So a peptide listed near the end of a long list may be present at a fraction of a percent, and the label is still legal. Position on the list is a clue, not proof.
Percent of what?
Peptide boosters are supplied to formulators as solutions, and the usage rate refers to the supplied material, not the pure peptide. A published review of cosmetic peptides (Schagen, 2017) describes Syn-Coll testing in parts per million: an in vivo cream at 10 to 25 ppm showed a dose-dependent reduction in measured wrinkles. That tells you two things. The active amount in a well-made serum is tiny, and the 1 to 3% booster rate is how formulators deliver that tiny amount reliably. When a brand says "3% Syn-Coll," it means 3% of the supplied booster.
The base
A plain water base is the cheapest possible carrier. A base with aloe, hyaluronic acid or glycerin costs more and adds its own hydration. Neither is wrong, but it is part of what you are paying for.
What the Research on Tripeptide-5 Actually Shows
Before deciding what a tripeptide-5 serum is worth, it helps to know what the evidence covers and what it does not.
- Clinical data in people. Schagen's 2017 review in the journal Cosmetics reports a study of 60 volunteers who applied a Palmitoyl Tripeptide-5 cream twice daily for 84 days. The peptide cream reduced measured wrinkles and roughness more than placebo and more than a cream with palmitoyl pentapeptide-4 (pal-KTTKS).
- Lab and animal data. The same review describes the peptide as working through the TGF-beta signal, with animal studies showing increased collagen synthesis and lab studies showing interference with the enzymes MMP-1 and MMP-3, which break collagen down.
- Supplier data. Spec-Chem's 2026 ingredient catalogue describes Palmitoyl Tripeptide-5 as activating TGF-beta to increase collagen synthesis and limit collagen breakdown (supplier data, not an independent study).
What is missing: large, independent, long-term trials. The human data is small and short. That is normal for cosmetic peptides, and it is a good reason not to pay a luxury premium for a single named peptide. For the mechanism in more depth, read how tripeptide-5 works.
Recipes at the Highest Usage Rate
Every recipe below uses the manufacturer's maximum rate. Measure into a clean, dry glass dropper bottle or airless pump.
Recipe 1: Single-peptide 3% tripeptide-5 serum (1 oz)
- 1 fl oz (about 30 g) Aloe Vera Gel Serum Base
- 27 drops (0.9 g) Syn-Coll Peptide Serum Booster, for 3%
Cap, shake for 20 to 30 seconds, label with the date. Cost: about $7.21.
Recipe 2: The classic firming pair (1 oz)
- 1 fl oz (about 30 g) Aloe Vera Gel Serum Base or Hyaluronic Acid Plumping Serum
- 27 drops (0.9 g) Syn-Coll, for 3%
- 72 drops (2.4 g) Matrixyl 3000, for 8%
Syn-Coll and Matrixyl 3000 both sit in the firmness group but take different routes, so they complement rather than duplicate. Total additions are 99 drops, about 3.3 g, so the base is still most of the bottle. Cost with the aloe base: about $12.00.
Recipe 3: Boost a serum you already own
Add 27 drops of Syn-Coll per ounce of any water-based serum, lotion or eye cream. Measure how many ounces the product holds first. A 1.7 oz jar of cream takes 46 drops for 3% (27 x 1.7 = 45.9, round to 46).
Handling notes
- Temperature: add peptide boosters at room temperature, never into a heated phase.
- Storage: refrigerate the raw booster. The Syn-Coll and Matrixyl 3000 product pages both say to refrigerate on arrival, and the Matrixyl 3000 page lists 12 months from opening for the raw booster.
- Base type: Syn-Coll is used in water-based serums, lotions and creams. Matrixyl 3000 is water-soluble and will not blend into oil-only formulas.
- Never apply undiluted. Both are formulation ingredients.
Is a Tripeptide-5 Serum Worth the Money?
It is worth it at a fair price per percent, used consistently. The human study above ran 84 days, so plan on at least 12 weeks of twice-daily use before judging. Apply to clean skin morning and night, follow with moisturizer, and use sunscreen in the morning.
It is not worth a luxury markup when the percentage is hidden. If two serums both list Palmitoyl Tripeptide-5 and one discloses 3% at $12 an ounce while the other discloses nothing at $90 an ounce, the first one is the only one you can actually evaluate.
If you are weighing tripeptide-5 against an expression-line peptide, our comparison of tripeptide-5 vs Argireline covers which line types each one is chosen for.
Frequently Asked Questions
What is the price of palmitoyl tripeptide-5?
As a raw booster at Skin Perfection, Syn-Coll (Palmitoyl Tripeptide-5) is $36.95 for 0.5 fl oz. At the 3% maximum usage rate that works out to about $2.22 of peptide per finished ounce of serum, based on roughly 450 drops per bottle.
How much tripeptide-5 should a serum contain?
The usage rate for the Syn-Coll booster is 1 to 3% of the finished formula. Skin Perfection recipes use 3%, the top of the range: 27 drops (0.9 g) per ounce.
Why are some tripeptide-5 serums over $100?
Packaging, brand margin and marketing account for most of the difference. The peptide itself is a small part of the cost. Without a disclosed percentage, a higher price does not tell you there is more peptide in the bottle.
Is it cheaper to make my own tripeptide-5 serum?
Usually, yes. A 3% serum made with Syn-Coll and an aloe base costs about $7.21 per ounce at current prices. You also know the exact percentage, because you counted it in.
What is another name for palmitoyl tripeptide-5?
The trade name is Syn-Coll. Schagen's 2017 review also lists it as palmitoyl tripeptide-3/5. On an ingredient label it appears as Palmitoyl Tripeptide-5.
How long does tripeptide-5 take to show results?
The human study summarized in Schagen's review measured results after 84 days of twice-daily use. Plan on about 12 weeks of consistent use.
Sources
- Schagen SK. Topical Peptide Treatments with Effective Anti-Aging Results. Cosmetics. 2017;4(2):16. Review; summarizes a 60-volunteer, 84-day, twice-daily study of Palmitoyl Tripeptide-5 and an in vivo 10 to 25 ppm dose study. doi:10.3390/cosmetics4020016
- US Code of Federal Regulations, 21 CFR 701.3, Designation of ingredients (descending order of predominance; ingredients at 1 percent or less). govinfo.gov
- Spec-Chem, Personal Care Ingredients Catalogue 2026 V1, Palmitoyl Tripeptide-5 entry (supplier data).
- Sederma, Matrixyl 3000 technical document: composition (INCI) of the supplied booster (supplier data).
- Skin Perfection product pages for Syn-Coll, Matrixyl 3000 and Aloe Vera Gel Serum Base: usage rates, house drop conversions and prices as of October 25, 2026.
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.
Last reviewed: October 25, 2026