Weight loss and your waves

If you have been on a weight loss journey and your hair suddenly feels different, you are not imagining it. Weight loss - especially rapid weight loss - can affect your hair's texture, moisture levels, and definition. Here is why it happens and how to support your waves through the change.

Your hair health is closely linked to your overall health. When your body goes through significant change, it can prioritise essential functions over hair growth. This affects:

• The hair growth cycle
• The strength and thickness of strands
• Oil production on the scalp

For wavy hair specifically, these shifts often show up as changes in texture, definition, and moisture retention.

One of the most common things people notice is increased shedding, usually a few months after significant weight loss. This is often linked to a temporary condition called telogen effluvium - the body's response to physical stress or change, where more hairs than usual enter the resting (telogen) phase and shed at once.

It can feel worrying, but in most cases, it is temporary. As your body adjusts, your hair gradually returns to its normal growth cycle.

Wavy hair thrives on balance - enough moisture to stay soft, but not so much that it loses shape. Weight loss can disrupt that balance. You might notice:

• Hair feeling drier than usual
• Waves dropping faster or losing definition
• Strands feeling finer or more fragile

This often comes down to changes in nutrition, hydration, and hormone levels - all of which shift during a weight loss period.

Remember your mum telling you to eat the crusts if you want curly hair? Well, it turns out she was pulling your leg… but that’s not to say there’s not a little truth in it.

Hair needs specific nutrients to grow strong and healthy. When your diet changes - whether through calorie restriction or a shift in food groups - your hair can feel the effects quickly. Key nutrients for hair health include:

• Protein - for strength and structure (more here on whether it’s possible to have too much protein)
• Iron - for growth and oxygen supply to follicles
• Healthy fats - for moisture and scalp health
• Biotin and B vitamins - for the hair growth cycle

Losing weight naturally means eating less, and cutting back on these nutrients can impact your hair. Your diet is not necessarily wrong, but it can help to add supplements to fill any gaps.

The most important things are patience and gentle, consistent care. Focus on:

• Consistency - keep your routine simple and steady
• Moisture - wavy hair often needs extra hydration during periods of change; look for lightweight leave-in treatments and hydrating styling creams
• Gentle handling - avoid over-brushing or rough drying
• Nutrition support - consider a hair supplement if your diet has changed significantly

Weight loss is a significant change for your body, and your hair is part of that journey. Some days your waves may feel different - softer, lighter, less predictable. That does not mean something is wrong; it means your body is recalibrating. With the right care and a little patience, your waves will find their balance again.