☀️ How to Care for Your Hair Under the Sun

Because SPF isn’t just for your face

Woman in black swimsuit walking out of turquoise ocean on a tropical beach at sunset

Sun-kissed skin? Yes. Sun-fried hair? Absolutely not.
We prep our wardrobes and skin for summer—but what about our hair? While we’re busy sipping rosé by the pool or island-hopping on a yacht, UV rays are quietly doing the most damage to our hair. Dryness, breakage, color fading, and that awful straw-like texture… sound familiar?

Let’s fix that. Here’s your ultimate summer hair care cheat sheet.

1. SPF for Your Scalp and Hair – It’s a Thing

Your scalp can get sunburned. No joke.
If your part line has ever felt tender after a beach day, you already know. Use a lightweight SPF mist or a hair-specific UV protectant spray. They’re easy, invisible, and don’t weigh down your hair.

Pro tip: If you hate product build-up, wear a chic silk scarf or wide-brimmed hat. It’s fashion and protection.

2. Saturate Before You Sunbathe

Hair acts like a sponge. If it’s dry, it’ll soak up chlorine, salt, and UV damage like crazy. But if it’s already soaked in clean water or a nourishing leave-in conditioner? You’ve built a barrier.

Before swimming, rinse your hair and apply your go-to leave-in treatment. That simple layer can make all the difference when it comes to avoiding crispy ends.

3. Rinse. Repeat. Religiously.

Beach days are fun until the saltwater dries and your hair feels like a Brillo pad.
Post-swim, rinse your hair with fresh water ASAP—even if it’s just bottled water from your beach bag. Letting salt or chlorine sit all day is how you go from mermaid to haystack real quick.

At night, do a gentle clarifying cleanse followed by a deep hydration mask. Always. No excuses.

4. Use the Sun to Lighten—But Do It Consciously

Yes, you can use the sun to naturally lighten your hair—but only if you treat it like tanning.
Want even, beautiful results instead of patchy streaks? Change position, flip your hair, and make sure every section gets the same exposure time. Set an intention with it. Otherwise, your ends will lighten unevenly and look fried instead of sun-kissed.

Also: don’t overdo it. Sun exposure is still damage, even when it’s working in your aesthetic favor.

5. Ease Up on Heat Styling

Summer’s already hot. Your hair doesn’t need extra heat torture.
Let your natural texture breathe. Embrace air-drying. Go for braids, buns, or that effortless undone wave that actually looks better with a bit of salt in it.

Still need to style? Use tools with temperature control and ALWAYS apply heat protection. Seriously.

6. Color-Treated Hair? Sun and Chlorine Are Not Your Friends

Summer is brutal on colored hair—and two main culprits are responsible: the sun and chlorine. And no, they don’t affect your hair in the same way.

☀️ SUN DAMAGE = Faded, Fried, and Flat

Think of sun exposure like bleach—it breaks down pigment.
For colored hair, this means:

  • Rapid fading (yes, even permanent color)
  • Dryness and loss of elasticity
  • Straw-like texture, especially on ends
  • Bleached-out blondes can turn brassy or dull fast

If your hair is already lightened, it’s more vulnerable. The lighter it is, the more sensitive it becomes to UV radiation. This is why your beautiful beige-blonde can shift to a weird yellow or greyish tone after just a few hours in direct sunlight.

🧪 CHLORINE DAMAGE = Green Hair & Long-Term Trauma

We’re only mentioning chlorine because, let’s be honest, in summer we’re all chasing a dip—pools, spas, rooftop jacuzzis… it’s part of the lifestyle.

But chlorine is a hard NO for bleached hair.

Here’s why:

  • Chlorine reacts with metals in the water, especially copper, and binds to the porous structure of bleached hair.
  • The result? That infamous green tint, and it’s not pastel—it’s swamp.
  • Once that green sets in, it’s almost impossible to fully remove. Clarifying shampoos and salon detoxes might slightly reduce it, but on bleached hair, they rarely work.
  • And bleaching again? Big mistake. It doesn’t remove the green—it actually intensifies it. The chemical reaction can make your hair look even greener and destroy its structure in the process.

Bottom line: avoid chlorinated pools at all cost if your hair is bleached. There’s no miracle fix—only regret.

⚠️ Bonus Drama: Why Blonde Hair Turns Orange

You step out of the pool looking like a Bond girl, but by evening your blonde has a suspicious copper tone. What happened?

Here’s the ugly truth:

  • Sunscreen is one of the biggest culprits. Many formulas contain avobenzone, which reacts with metals like iron and copper in water—and when that mixture transfers to hair, it can turn blonde shades orange or brassy.
  • Combine that with UV exposure and product build-up, and you’ve got a cocktail of color distortion.

How to avoid it:

  • Be mindful when applying sunscreen around your hairline or neck.
  • Tie your hair up until the sunscreen is fully absorbed.
  • Cleanse your hair ASAP if you’ve been lounging with SPF on your skin.
  • Use a color-safe clarifying shampoo once a week to avoid build-up.

7. Hydrate from the Inside Out

You know this. But here’s your reminder: Drink water. Like, a lot of it.
When your body’s dehydrated, your scalp and hair suffer first. Add in some omega-3s and biotin if you want extra glow-up points.

Final Word: Be High-Maintenance Where It Matters

Taking care of your hair in the summer doesn’t mean skipping fun—it just means being smarter.
You protect your skin with SPF. You protect your luxury bags with dust covers. Your hair deserves the same treatment.

So enjoy that sunshine. Just don’t let it steal your shine.

Alexandre Gilbert, 29.04.2025

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