From celebrity headlines to the friend you had coffee with last weekend, everyone seems to be talking about GLP-1 medications like Ozempic and Wegovy. They're highly effective for weight management, but rapid weight loss can have a visible impact on your hair, skin and nails. GLP-1 hair loss, dry skin and loose facial skin are common side effects people don't hear much about.

If you're going through these changes, you're not alone. Here's why they happen, and how you can support your hair and skin from the inside out.

Why Do GLP-1 Medications Cause Hair Loss and Skin Changes?

GLP-1 medications act on the appetite centres in the brain. They tell your body you're full after smaller portions and greatly reduce cravings. That's a game-changer for weight loss, but it can be hard on your hair, skin and nails.

When your calorie intake drops sharply, your body goes into a kind of metabolic conservation mode. It sends its limited nutrients to your vital organs first and away from "non-essential" structures like hair follicles and skin cells. Add the physical stress of rapid weight loss, and you may notice:

Noticeable hair loss and shedding
Dry skin
Brittle nails
Acne
Sudden skin laxity, often called "Ozempic face"

These changes usually show up one to three months into treatment, just as the weight starts to come off quickly.

The good news is that you can manage these changes early and reduce their impact. Here's how to keep your glow throughout your weight-loss journey.

1. Boost Your Nutrition to Support Hair, Skin and Nails

Good nutrition is the foundation of healthy hair and skin. Because you're eating smaller portions less often, every meal needs to be as nutrient-dense as possible. Focus on whole foods rich in protein, iron, zinc and biotin, such as eggs, lean meats and legumes.

If tracking your daily micronutrients feels overwhelming, a targeted supplement is a simple way to fill the gaps. We recommend the La Biosthetique Hair & Nail Food Supplement. Unlike a generic multivitamin, its ingredients are formulated to work together, giving your body the building blocks it needs to keep hair and nails strong from within.

2. Firm Loose Skin and Treat "Ozempic Face"

When weight loss is gradual, the skin's support structure of collagen and elastin has time to slowly adjust to your changing shape. When fat is lost quickly, that support disappears too fast. The skin can't contract in time, which leads to loose, sagging skin, jowls and a crepey texture, especially around the neck.

Lost facial volume needs structural treatment, but you can improve the firmness and elasticity of the skin's surface without injectables. In-salon dermal needling is one of the most effective options. It triggers the skin's natural healing response, which boosts fresh collagen and elastin production and helps the skin tighten to fit your new facial contours.

Book a dermal needling consultation HERE.

3. Reduce Shedding and Regrow Hair After Weight Loss

Hair loss linked to GLP-1 medications is usually a temporary condition called telogen effluvium. It happens when a large number of hair follicles are shocked into the resting phase at the same time. Shedding usually settles once your weight stabilises, but natural recovery can take up to 12 months. Acting early can reduce how much hair you lose and help speed up regrowth.

To target shedding at the root, we recommend the La Biosthetique Méthode Régénérante Hairloss Control Scalp Concentrate Ampoules [blocked]. This topical scalp treatment contains phyto-cell extracts, energising ginseng, zinc and niacinamide. It improves microcirculation in the scalp and helps protect the follicle stem cells. This helps extend the hair's natural growth phase, reactivate resting follicles and reduce excess shedding, supporting healthy new growth.

Get Expert Advice on Your Hair and Skin

Changes in your reflection can feel daunting, but your weight-loss journey shouldn't cost you healthy hair and skin.

Whether you'd like to explore a dermal needling series or want help building the right at-home La Biosthetique routine, our team can give you professional, personalised advice. Email us at info@hairart.co.nz, shop our hair loss and skin solutions online, or pop into the salon for a full consultation. Let's make sure you look as vibrant and healthy as you feel.

FAQs

Does Ozempic cause hair loss?

Hair loss isn't caused by the medication directly. It's usually linked to rapid weight loss and reduced nutrient intake, which can trigger a temporary shedding condition called telogen effluvium.

Is GLP-1 hair loss permanent?

Usually not. Shedding tends to settle once your weight stabilises, though full regrowth can take up to 12 months. Good nutrition and scalp treatments can help support recovery.

When does hair loss start on GLP-1 medications?

Most people notice changes one to three months into treatment, when weight loss speeds up.

What is Ozempic face?

"Ozempic face" describes loose or sagging facial skin caused by rapid fat loss, when the skin can't contract quickly enough to keep up.

Can dermal needling help loose skin after weight loss?

Yes. Dermal needling stimulates collagen and elastin production, which can improve skin firmness and texture.

Always talk to your GP or prescriber about side effects.

GLP-1 Hair Loss and Skin Changes: How to Look After Your Hair and Skin on Ozempic