Summer Hair Damage: Sun, Sweat, Salt Water and Chlorine

Summer Hair Damage: Sun, Sweat, Salt Water and Chlorine

Summer can be hard on hair. More time outdoors, higher temperatures, swimming and frequent washing all place extra stress on the hair and scalp, often leaving them drier, duller and more difficult to manage.

Understanding what is causing the damage makes it easier to protect against it.

Sun exposure

UV exposure can weaken the hair fibre, fade colour and contribute to dryness over time. The scalp can also become hot, dry or uncomfortable after long periods in the sun.

Wearing a hat, limiting direct exposure and using lightweight protective products can help reduce the impact.

Sweat

Sweat can mix with oil, pollution and product residue around the roots, leaving the scalp feeling heavy or irritated. It can also encourage more frequent washing, which may dry the hair further if cleansing is too harsh.

Rinse or cleanse as needed, but avoid over-stripping the scalp.

Salt water

Sea water can leave hair feeling rough and tangled as salt draws moisture from the fibre and increases friction between strands.

Rinsing with fresh water before and after swimming, then following with moisture, can help limit dryness.

Chlorine

Chlorinated water can make hair feel brittle, dull or difficult to comb, particularly when exposure is frequent. Coloured and porous hair may be more vulnerable.

Wet hair with clean water before swimming, rinse thoroughly afterwards and use a conditioning product to restore softness.

How to care for summer-stressed hair

A good summer routine should focus on gentle cleansing, regular hydration and reducing unnecessary friction.

Rinse away sweat, salt and chlorine promptly, use a moisturising treatment through the lengths and avoid excessive heat styling when hair already feels dry. The scalp may also benefit from targeted care if it feels tight, reactive or out of balance.

Summer hair damage is rarely caused by one factor alone. Sun, heat, sweat, salt water and chlorine often overlap, so the most effective routine is one that supports both the scalp and the hair fibre throughout the season.

Shop the summer routine

For hair and scalp exposed to sun, sweat, salt water and chlorine: