Why Summer Hits GLP-1 Hair Differently
The season your shedding chapter wasn't expecting.
If you've been following the ongoing conversation about GLP-1s and hormonal hair loss, you might be familiar with some of the basics. We know the type of rapid weight loss encouraged by GLP-1 medications can push the hair follicle into early rest. What you see in the shower drain a few months later is the body's quiet response to a much louder change.
So what happens when the conversation collides with a Mediterranean July? Because for hair that's already shedding, summer isn't a soft season. It can be a stress test in disguise.
What To Expect in Warmer Months
The hair shaft is made up of keratin, a type of protein structure with a layered cuticle that holds in moisture, lipids, and color. Sun degrades it; elements like salt and chlorine swell and lift it (think: fading and frizz). Heat, including the kind that comes from the sun above, the sand beneath, and the styling tools you use only speed up the breakdown.
Maybe you used to restore the season's wear and tear with a good treatment come September. For hair that's already in a thinning phase, the math compounds. Strands that were already entering 'rest' become drier, more porous, more brittle. The breakage that wouldn't have shown up before on healthier hair is more visible with weakened strands. The shedding pattern that was settling starts to get interrupted.
It's not that summer makes GLP-1 hair loss worse, but the heat can make the hair you do still have harder to keep. And that distinction changes our strategy.
The Iles Formula Summer Hair Loss Protocol
If you're navigating your GLP-1 experience (or any form of seasonal thinning) and want to make it through summer with as much hair as possible intact, here is the ritual we'd build for you.
Before the water, every time.
The biggest difference you can make can be done in thirty seconds or so. Before swimming (regardless of pool, ocean, or lake) layer in Iles Formula Finishing Serum, or for the curly girls, Iles Formula Curl Revive; working through damp hair from mid-length to ends. This step makes sure to seal the cuticle, blocks the absorption of chlorine and salt, and delivers nutrients to hair while you're in the water. You'll rinse off with significantly less damage than you would have without it.
Wash less than you think you need to.
Lay off where you can. Even the most gentle cleanse removes natural lipids that help the hair retain protein and moisture. When you do cleanse, use the Iles Formula Signature Collection. Our shampoo is formulated to clean without stripping, and when used alongside the Iles conditioner is clinically proven to reduce breakage by 89% in a single use.
The weekly or monthly mask isn't optional.
Applied once a week or monthly, the Iles Formula Hair Mask will restore moisture, repairs the cuticle, and rebuild strength. Use for twenty minutes, then rinse. Nutrition keeps the strands you have from breaking before they're ready to fall.
It starts at the scalp
No excuses for skipping your scalp serum. For thinning at the temples, the part, or the crown (the most common pattern of GLP-1-related shedding) the Iles Formula Scalp + Hair Rejuvenating Booster not only regrows lost hair but continues the benefits you saw in the months prior. With its unique blend of Procapil™, biotin, amino acids and wasabi extract, when used daily, the Booster will regrow and protect existing growth and nurture it into the future.
It helps to remember that GLP-1-related hair loss is, in most cases, a chapter in our lives, not a forever thing. The body recovers. The shedding settles but the hair may become comprimed, by using our botanical Booster the good hair your DNA promised you, will be the hair that returns. We'll be here helping you through it all.
Read the original conversation on GLP-1s and hormonal hair loss on The Journal.
Shop the Iles Formula summer ritual to support hair through the season ahead.
Shop the Iles Formula summer ritual to support hair through the season ahead.
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