Best Collagen for Skin (2026): Studies, Dose and Cost
For skin, take 2.5 to 5 g of collagen peptides a day for at least 8 weeks. That is the dose the skin trials used, about a quarter of a scoop, stirred into coffee or a smoothie. In those trials, skin got a little more elastic and moist. Our pick is BulkSupplements Hydrolyzed Bovine Collagen.
By Erin Rose Updated October 18, 2026 How we score
Our pick for skin
BulkSupplements Hydrolyzed Bovine Collagen
11 g a serving · $0.56 per 10 g · on the NSF Certified for Sport testing list
Plain collagen with nothing added: about $0.14 a day at 2.5 g at its brand price. NSF checks that it holds what the label says. How we picked.
Plain powders are brand prices per 10 g (October 24, 2026); the gummies, the blend and the sunscreen are Amazon prices (November 6, 2026).
What the skin trials found
A 2023 review of 26 trials found better skin moisture and elasticity with collagen than with a placebo. In one 8-week trial, women who took 2.5 g of Verisol a day had more elastic skin (Proksch 2014).
Know who paid. A 2025 review of 23 trials found the gains in trials funded by companies, and none in independent or best-run trials. Some trials also tested collagen mixed with vitamins, so they cannot show what the collagen did alone. So treat it as a small, maybe-helpful step, and judge it on your own skin after 8 to 12 weeks.
How to take it for skin
Take it every day, at any time. Collagen peptides have no taste and dissolve clear in hot or cold drinks. Keep using sunscreen: collagen does not replace it. How much to take for other goals: the collagen dosage guide.
Which is right for your skin?
Any plain collagen peptide powder covers the dose. Here is what to buy if you want something else.
Rather chew than stir? Get the exact trial dose.
These gummies hold the trial dose, 2.5 g of the same branded collagen, Verisol, in 3 gummies. Most collagen gummies hold far less.
Nature Made Collagen Peptides + C Gummies
$0.85 a day on Amazon
Worried about wrinkles? Start with sunscreen.
In a 4.5-year trial of 903 adults, people who put on sunscreen every day showed less skin aging than people who used it when they chose to (Hughes 2013). EltaMD UV Clear is a broad-spectrum SPF 46 for the face.
EltaMD UV Clear SPF 46
$46.00 a bottle on Amazon
Want vitamins in the same scoop?
Garden of Life Collagen Beauty adds biotin and vitamin C to 12 g of collagen, in a cranberry-pomegranate flavor. It costs more per gram than plain powder, and no trial has shown that the added biotin helps skin.
Garden of Life Collagen Beauty
$1.39 a day on Amazon
Questions people ask
Does collagen reduce wrinkles?
In one trial run with the maker, 114 women aged 45 to 65 who took 2.5 g of Verisol a day had about 20% less eye-wrinkle volume than women on a placebo. The gap was there at 4 weeks and at 8 weeks (Proksch 2014).
Is marine or bovine collagen better for skin?
No trial has shown one beats the other. Both are mostly type I collagen. Bovine costs less; marine suits people who avoid beef (best marine collagen).
More on collagen
- Best collagen and best marine collagen
- Collagen gummies and liquid vs powder
- What collagen does, for skin, joints and more
Sources
- Pu SY, et al. Effects of oral collagen for skin anti-aging: a systematic review and meta-analysis. Nutrients. 2023. PubMed 37432180
- Myung SK, Park Y. Effects of collagen supplements on skin aging: a systematic review and meta-analysis of randomized controlled trials. Am J Med. 2025. PubMed 40324552
- Proksch E, et al. Oral supplementation of specific collagen peptides has beneficial effects on human skin physiology: a double-blind, placebo-controlled study. Skin Pharmacol Physiol. 2014. PubMed 23949208
- Proksch E, et al. Oral intake of specific bioactive collagen peptides reduces skin wrinkles and increases dermal matrix synthesis. Skin Pharmacol Physiol. 2014. PubMed 24401291
- Bolke L, et al. A collagen supplement improves skin hydration, elasticity, roughness, and density. Nutrients. 2019 (a collagen and vitamin blend). PubMed 31627309
- Hughes MC, et al. Sunscreen and prevention of skin aging: a randomized trial. Ann Intern Med. 2013. PubMed 23732711