Which collagen should you choose for your skin?

Feb 26, 2025
photographie d'une main sur un mur blanc, main qui tient un pot en aluminuim ouvert contenant de la crème hydratante

Collagen has become the major trend of the moment. So much so that some 20-year-old women think they need to consume it as a dietary supplement to have beautiful skin. Let us go back to the basics to learn a little more about this protein that make up your dermis and your epidermis, so you understand when and how to use it to improve skin elasticity and prevent the appearance of wrinkles and fine lines.

 

Understanding the role of collagen in the skin

 

Collagen is the most abundant structural protein in the human body, accounting for approximately 75% of connective tissues of the skin. It is essential for skin aging, firmness, cellular regeneration and collagen production. With age, skin aging increases, the synthesis of natural collagen slows down and the first signs of aging appear as wrinkles, deep fine lines and loss of firmness. This is a completely normal process; you cannot reverse its effects, but you can counteract them by adopting a suitable routine and using appropriate skincare products.

External factors such as oxidative stress , the sun, pollution and smoking can also accelerate the breakdown of skin collagen, leading to sagging skin, reduced skin suppleness, and even an increase in cellulite, pparticularly in mature skin.

 


 

The different types of collagen and their benefits

 

We often refer to collagen in the singular, but there are more than 28 types identified, including 12 are expressed in the skin. The most common are:

  • Type I collagen : Predominant in the skin, it is responsible for its firmness and elasticity.

  • Type II collagen : Essential for cartilage, it is highly abundant in joints and helps prevent joint pain.

  • Type III collagen : Present in the skin and blood vessels, it promotes cellular regeneration and collagen synthesis.

  • Type IV collagen : Involved in the cohesion of connective tissues, it strengthens the structure of basement membranes.

 


 

Which collagen should you choose for your skin?

 

Marine collagen: the number one anti-aging choice

Bovine hydrolyzed marine collagen, derived from fish, is known for its optimal absorption. It stimulates skin collagen production, improves skin firmness, prevents the appearance of wrinkles and fine lines, and helps slow down skin aging.

Bovine collagen: an ally for the skin and joints

Bovine bovine collagen, rich in proline, glycine, and hydroxyproline, mainly occurring in the form of type I and III collagen. It acts on both skin firmness, connective tissue regeneration, and joint health.

Plant-based collagen: myth or reality?

Contrary to popular belief, there is no plant-based collagen strictly speaking. However, dietary supplements combining vitamin C, peptides, hyaluronic acid and antioxidants promote collagen synthesis and help slow down premature aging.

 


 

How can collagen be incorporated into your routine?

 

Dietary supplements: capsules, powder, tablets

The dietary supplements based on hydrolyzed collagen (marine or bovine) are often enriched with vitamin C, zinc, selenium, manganese and amino acids for better absorption.

Cosmetic treatments: creams, serums, and masks

Applying anti-aging creams, using an collagen serum or even of hydrating masks help plump the skin and stimulate skin collagen production, and improve skin firmness.

Collagen-rich foods

A balanced diet, including bone broth, spirulinalegumes, oily fish, and plant oils, helps maintain elastic and hydrated skin. If you are interested, you can easily find lists of collagen-rich foods online.

 


 

Conclusion: which collagen should I use to improve my skin?

 

If you are looking to slow skin aging, preserveskin hydration and to combat wrinkles and fine lines, then marine collagen is your best option. For an anti-aging and joint health, the bovine collagen is ideal. Also, remember to favor a diet rich in antioxidants and peptides for effective absorption.

 



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