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Collagen for hair: How to protect it from the sun, chlorine and salt this summer

April 17, 2026
Written by Gold Collagen
Collagen for hair: How to protect it from the sun, chlorine and salt this summer

When we talk about personal care, we often focus on what’s visible: creams, serums or make-up. But the real foundation for glowing skin and feeling healthy starts with proper hydration, both inside and out. This balance is essential for keeping not only our skin in good condition, but also our joints and mucous membranes – tissues that are vital to our daily well-being.

Summer is synonymous with sun, beach, swimming pools and long days outdoors. But, just like our skin, our hair also suffers from the stresses of this season: solar radiation, chlorine from swimming pools and sea salt can weaken it, dehydrate it and accelerate its deterioration.

We often focus on protecting our skin, but we forget that our hair also needs specific care, both externally and internally. This is where collagen becomes a great ally in strengthening and caring for our hair from within.

What is the link between collagen and hair health?

Collagen is the most abundant protein in our body and is present in the skin, nails, bones, joints and, of course, in the structure of the hair.

Hair is anchored to the scalp via hair follicles, structures that require a healthy environment to produce strong, thick and resilient hair. Collagen provides the structural matrix that supports the follicles and helps maintain the scalp’s elasticity and firmness.

Benefits of collagen for hair:

  • Strengthens the hair shaft.
  • Improves elasticity and strength.
  • Reduces seasonal hair loss.
  • Promotes healthier, thicker growth.
  • Helps hydrate from within.

With age and lifestyle habits, natural collagen production decreases, affecting hair health: hair becomes finer, weaker and less resistant to external aggressors, such as those we encounter in summer.

How the sun, chlorine and salt damage hair in summer

Typical holiday environmental factors have a direct impact on hair:

Sun: Ultraviolet (UV) radiation breaks down hair proteins, dehydrates the hair and damages its pigmentation, causing it to become more brittle, coarse and prone to colour loss.

Sea water: Salt dries out the hair shaft, increases its porosity and makes it more prone to tangling and breakage.

Chlorine: Chlorine weakens the hair’s protective lipid layer, leaving it more exposed and leading to dryness, loss of shine and even colour changes in dyed or light-coloured hair.

Continued exposure to these elements, without adequate protection, can lead to dehydrated, lifeless hair with split ends that is more prone to falling out.

Key tips for protecting your hair on holiday

Protecting your hair in summer isn’t complicated, but it requires consistency and small daily steps:

Hair sun protection:
Just as we apply sun cream to our skin, it is advisable to use specific hair products containing UV filters. Protective sprays create a film that minimises sun damage.

Always rinse after swimming:
Both chlorine and salt should be removed from the hair as soon as possible. Rinsing with fresh water after every swim significantly reduces cumulative damage.

Intensive hydration:
Using nourishing hair masks once or twice a week is key to repairing and keeping the hair fibre supple and strong. It is also important to use gentle shampoos that do not disrupt the scalp’s natural balance.

In addition to oral supplements, we recommend using Gold Collagen Scalp Revival Serum, an intensive treatment that helps revitalise the scalp, stimulate microcirculation and strengthen the hair roots.

Protecting your hair from the outside with specific products and maintaining proper hydration is key to having healthy, strong and shiny hair all summer long.

Avoid excessive heat:
Hair already suffers enough from sun exposure, so it is best to limit the use of hairdryers, straighteners and curling irons during the summer to avoid subjecting it to further heat stress.

Protective accessories:
Hats, scarves and caps aren’t just on-trend; they also protect your hair from direct sunlight.

Strengthen your hair from within: the role of collagen

One of the keys to maintaining strong, healthy hair in summer is to look after it from the inside.
Hydrolysed collagen provides the essential amino acids the body needs to stimulate natural collagen production and promote the health of the scalp and hair shaft.

In this regard, GOLD COLLAGEN® HAIRLIFT is the perfect ally. This supplement has been specifically formulated to support hair health, with a unique combination of hydrolysed collagen, biotin, zinc, vitamin C and grape seed extract.

Benefits of GOLD COLLAGEN® HAIRLIFT:

  • Strengthens the hair structure from the root.
  • Helps maintain strong, shiny hair with greater density.
  • Provides key nutrients for keratin and collagen synthesis.
  • No added sugars, no artificial sweeteners or toxic ingredients.

What’s more, its convenient drinkable shot format makes it an ideal product for continuing to look after yourself even whilst on holiday, as it’s easy to carry and incorporate into any daily routine.

The importance of Vitamin C

Collagen must always be taken alongside vitamin C, as it is essential for the natural synthesis of new collagen fibres. GOLD COLLAGEN® Hairlift includes this vitamin in its formula to ensure better absorption and effectiveness.

Backed by science: collagen with evidence

The effectiveness of collagen is not just a trend; it is backed by numerous scientific studies.
At GOLD COLLAGEN®, we have more than 12 clinical studies supporting the benefits of our products for skin, hair and nails.

The “studies on the anti-hair loss and hair-regenerating effects of a liquid supplement” show that after 150 days of using the product, volunteers who took GOLD COLLAGEN® HAIRLIFT saw:

  • An increase in hair density of an average of 4,170 new hairs (in bold and green)
  • An increase in the number of hairs in the growth phase in 83% of volunteers

These studies are our greatest endorsement, and our commitment to health and efficacy is what drives us to continue offering innovative, scientifically backed formulas.

Summer is a time to enjoy yourself, but without neglecting your hair health. The combination of external care and supplementation with specific collagen, such as GOLD COLLAGEN® HAIRLIFT, can help you keep your hair strong, shiny and healthy, even in the face of damage from the sun, salt and chlorine.

The key lies in consistency and choosing quality products backed by science.

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