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Collagen for Skin: Does it Actually Work?

Quick Answer: Research suggests that it can. Clinical studies have found that collagen supplementation may help improve skin hydration, elasticity, and the appearance of wrinkles, especially when taken consistently for 8–12 weeks. While collagen isn't a cure-all for skin aging, it may be a helpful addition to a skin wellness routine focused on supporting healthy, resilient-looking skin.

Why Skin Needs Collagen What Does the Research Say? Collagen Supplementation On Skin Hydration, Elasticity, Roughness, and Density Collagen’s Efficacy in Skin Aging Collagen for Wrinkles How Long Does It Take to See Results? Which Type of Collagen Is Best For Your Skin? Type I Collagen Type III Collagen What Else Helps Collagen Work Better? Our Collagen Picks for Skin Health Article References

Why Skin Needs Collagen

Collagen is one of the proteins that helps give skin its firmness and elasticity. Making up about 70-80% of the skin's dry weight, this “structural scaffolding” forms a mesh-like network of fibers that maintains the skin’s shape and strength.

While collagen is best known for its role in skin health, it’s actually found throughout the body. From joints and connective tissues to hair and nails, collagen helps provide the structure that maintains the integrity of these body parts.

Our bodies naturally make collagen with the help of amino acids from protein-rich and collagen-rich sources, such as fish and meat. However, the skin doesn’t keep producing collagen at the same rate forever. Starting in early adulthood, collagen production gradually slows down, and over time, existing collagen also begins to break down faster than it’s replaced.

By around age 60, the body’s collagen production is no longer optimal, with women experiencing significant collagen loss during and after menopause. This process happens naturally as we age, and it’s one of the reasons skin can start to look less firm and fine lines become more noticeable as the years go by.

While aging is part of the story, it’s not the only factor. Daily sun exposure, external stressors, and unhealthy lifestyle habits, such as smoking and drinking, can accelerate collagen loss, which is why protecting and supporting collagen for skin becomes increasingly important over time.

What Does the Research Say?

Understanding collagen’s role in the skin is one thing, but does collagen actually improve skin health is another question entirely. While no supplement can stop the aging process, a body of research suggests that collagen for skin may offer benefits when used consistently.

Molecular symbol for collagen on purple background

Collagen Supplementation On Skin Hydration, Elasticity, Roughness, and Density

A 2019 placebo-controlled, blind study followed 72 healthy women (ages 35 and older) who took 2.5g of collagen peptides orally daily for 12 weeks. Researchers evaluated several indications of skin health, including hydration, elasticity, roughness, and density.

By the end of the study, women taking collagen experienced improvements across all four metrics compared to those taking a placebo, suggesting that consistent collagen supplementation may help support healthier-looking skin over time.

Note, however, that the collagen supplement used in the study didn’t work in isolation, having been supplemented with acerola fruit extract, vitamin C, zinc, biotin, and a native vitamin E complex, which are all complementary ingredients that could also account for the improvements observed.

Collagen’s Efficacy in Skin Aging

A 2021 systematic review and meta-analysis examined 19 clinical studies involving 1,125 participants (ages 20-70), the majority of whom were women. It was found that participants who took hydrolyzed collagen experienced improvements in skin hydration, elasticity, and the appearance of wrinkles compared to those who received a placebo.

The review also determined that these benefits were most consistently seen after approximately 90 days of supplementation. Based on the findings, it was concluded that hydrolyzed collagen may help support healthier-looking skin and reduce signs of skin aging.

At the same time, a 2021 review highlighted an important consideration: not all collagen supplements are created equal.

Researchers noted that different sources of hydrolyzed collagen may yield different results, even when taken at the same dose and for the same duration. Because of this, more research is needed to determine which collagen sources and supplementation periods are most effective in supporting skin health.

Collagen for Wrinkles

The findings are also encouraging when it comes to wrinkles. In a 2014 study, women who took bioactive collagen peptides daily experienced visible improvements in eye wrinkles over the course of eight weeks, with benefits beginning to appear after just four weeks.

Taken together, these findings paint a promising picture. While collagen isn’t a magic fix for every skin concern, research suggests that consistent supplementation may help support smoother, more hydrated, and more elastic-looking skin. As with many aspects of wellness, the best results tend to come with consistency and by giving your body the nutrients it needs to support healthy skin from within.

before and after image of woman with wrinkles illustrating how collagen affects skin health

How Long Does It Take to See Results?

If you're adding collagen to your routine, patience is key. While it can be tempting to expect overnight results, collagen works gradually as part of your body's natural renewal process.

Most studies on collagen supplementation have observed improvements in skin hydration, elasticity, and the appearance of wrinkles after 8 to 12 weeks of consistent daily use. In some cases, researchers have reported visible improvements in wrinkle appearance as early as four weeks, but the most noticeable benefits tend to appear after two to three months.

As with any wellness regimen, results can vary from person to person. Factors such as age, diet, lifestyle, and the type of collagen used may all influence how quickly you notice changes. The key is consistency, taking collagen regularly and giving your body enough time to respond.

Which Type of Collagen Is Best For Your Skin?

By now, we’ve established that collagen plays an important role in skin health. But before you add just any collagen supplement to your cart, there’s one detail worth knowing: the type of collagen matters.

Type I Collagen

Of the 28 types of collagen identified, Type I collagen is the most abundant collagen in the human body and the primary type found in the skin. In fact, it accounts for about 80-90% of the collagen fibers that maintain the skin's structure, firmness, and elasticity. Because of its central role in skin health, Type I collagen is the form most commonly associated with collagen supplements for skin.

Type I collagen is naturally found in both marine collagen and bovine collagen. Marine collagen, sourced from fish skin and scales, consists predominantly of Type I collagen. Bovine collagen, typically sourced from cow hides, also contains significant amounts of Type I collagen alongside Type III collagen.

Type III Collagen

Type III collagen is the second most important collagen type for skin health. It is often found alongside Type I collagen in the skin and helps support the structure and elasticity of soft tissues. While Type I collagen provides much of the skin's tensile strength, Type III collagen contributes to flexibility and resilience.

Type III collagen is primarily sourced from bovine and porcine. Many bovine collagen supplements for skin naturally provide a combination of Type I and Type III collagen, making them a popular choice for individuals seeking support for skin, hair, and nails.

What Else Helps Collagen Work Better?

Collagen doesn't work in isolation. Your daily habits can also play an important role in supporting your skin's natural collagen levels.

Vitamin C: Vitamin C is essential for collagen synthesis, meaning your body needs it to produce and maintain collagen. Without adequate vitamin C, collagen formation can be impaired, which is why many collagen supplements pair collagen peptides with vitamin C.
Hydration: Well-hydrated skin tends to look plumper, smoother, and more resilient. While hydration alone won't increase collagen production, drinking enough water helps support overall skin health and appearance.
Quality Sleep: Your body performs much of its repair and recovery while you sleep. Consistently getting enough rest helps support healthy skin function and the natural processes involved in maintaining collagen.
Daily Sun Protection: UV exposure is one of the biggest contributors to collagen breakdown. Wearing sunscreen, seeking shade when possible, and limiting excessive sun exposure can help protect the collagen your skin already has.
A Balanced Diet: Protein-rich foods, colorful fruits and vegetables, and nutrient-dense whole foods provide many of the building blocks your body uses to support healthy skin, including collagen production.

Our Collagen Picks for Skin Health

With so many collagen supplements on the market, finding the right one can feel overwhelming. To make things easier, we've rounded up a few of our favorite options based on ingredient quality, formulation, and skin-supportive benefits.

Multi Collagen Burn - If healthy, glowing skin is your goal, Multi Collagen Burn is one of our favorite ways to support it from the inside out. With five collagen types derived from a variety of collagen-rich sources, hyaluronic acid, vitamin C, and SOD B Dimpless®, this multitasking formula was designed to help support skin hydration, elasticity, and everyday beauty and wellness.
Bone Broth Collagen - For those who prefer a savory alternative to sweet collagen drinks, Bone Broth Collagen offers a nourishing way to support your wellness routine. Made with real bone broth and delivering 13 grams of collagen and 16 grams of protein per serving, this comforting formula helps support healthy skin, joints, and connective tissues.

Frequently Asked Questions

How much collagen should I take for skin?

Most studies on collagen for skin use between 2.5 and 15 grams daily. Consistent use for at least 8-12 weeks is typically needed to see results.

Does collagen actually reduce wrinkles?

Research suggests that collagen supplementation may help reduce the appearance of wrinkles while supporting skin elasticity and firmness, especially when taken consistently over time.

Can collagen reverse sun damage?

No. Collagen supports skin health, but it cannot reverse existing sun damage. Consistent sun protection is still essential for preserving healthy skin.