Author: Ljubica Barbulović, MPharm

Collagen is one of the most important proteins in the human body and plays a key role in maintaining the health of the skin, hair, and nails. This protein is an integral part of connective tissue and contributes to the strength, elasticity, and regeneration of various structures in the body.

As we age, the natural production of collagen begins to decline, which can lead to weaker hair, slower nail growth, and increased brittleness. That is why many people use collagen as a dietary supplement to support the health of their hair and nails.

Related: If you want to learn more about what collagen is, how it affects the whole body, and how to use it properly, read our main guide:
What is collagen, how to take it, and which collagen is the best

How collagen affects hair

Collagen contributes to hair health by supporting the structure of the skin and hair follicles. It contains amino acids that are important for building keratin, the main protein that hair is made of.

Regular collagen intake can contribute to:

  • strengthening the hair structure
  • reducing hair breakage
  • a healthier hair appearance
  • supporting hair growth

Although collagen is not a direct cure for hair loss, it can be an important support for the health of the scalp and hair follicles.

Collagen and nail health

Collagen also plays an important role in maintaining nail strength. A lack of collagen can lead to brittle and weak nails that peel easily.

Taking collagen as a dietary supplement can help in:

  • strengthening the nail structure
  • reducing nail breakage
  • faster nail growth
  • a healthier nail appearance

For this reason, collagen is often used as a supplement for the care of hair and nails.

Which collagen is best for hair and nails

When choosing collagen, it is important to pay attention to the product's composition. The best collagen supplements often contain:

  • hydrolyzed collagen – more easily absorbed by the body
  • vitamin C – contributes to collagen synthesis
  • biotin – supports hair and nail health
  • zinc – contributes to hair strengthening

A combination of these ingredients can help achieve better results regarding hair and nail health.

Recommended products for hair and nails

Aspasia Collagen Beauty

Aspasia Collagen Beauty

Liquid collagen in ampoules that directly targets the regeneration of skin, hair, and nails. Rich in vitamin C and biotin.

Super Collagen + C Advanced





Super Collagen + C Advanced

Contains high-quality collagen in capsules. It helps build keratin and strengthens weak hair and brittle nails.

Voonka Collagen Beauty Plus

Voonka Collagen Beauty Plus

Convenient sachets (powder) with a great strawberry flavor. Contains a vitamin complex that supports faster hair growth.

Sagas RC-01 Collagen Hyaluron Complex



Sagas RC-01 Hyaluron Complex

An ideal blend of collagen and hyaluronic acid in tablets. Hydrates the scalp from within and prevents nails from peeling.

How long should you take collagen

Collagen is usually taken over a longer period of time to notice results.

In most cases, it is recommended:

  • daily intake of collagen
  • usage for at least 2 to 3 months

Continuity in taking collagen can help gradually improve the health of hair and nails.

Pharmacist's Advice

Collagen can be a useful dietary supplement for people who want to support the health of their hair and nails. Pharmacists often recommend:

  • regular intake of collagen for several months
  • combining collagen with vitamin C
  • a balanced diet rich in proteins
  • sufficient water intake

These habits can contribute to the long-term health of your hair, nails, and skin.

Frequently Asked Questions

1. Does collagen help with hair loss?
Collagen can support scalp health and hair structure, but hair loss can have various causes and often requires a broader approach to hair care.

2. How long should I take collagen for hair?
Collagen is usually taken continuously for at least 2 to 3 months to notice the first visible results.

3. Does collagen help strengthen nails?
Yes, collagen can help strengthen the nail structure and significantly reduce brittleness and peeling.