More hair in the drain than on your head.

You notice it in the shower. On your pillow. In your brush. And the worst part is you’re already using the “right” shampoos, taking care of your scalp, doing everything you’re supposed to do. For many women, hair thinning doesn’t start on the surface.
It starts from within.

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  • Topical-only thinking

    Scalp serums and shampoos work on the surface. But hair follicles are nourished through your bloodstream — which means topical products may not address what’s happening beneath the surface.

  • Biotin alone isn’t enough

    Biotin supplements are everywhere. But keratin — the protein that forms your hair — is built from specific amino acids. Without them, biotin alone may not deliver the results you expect.

  • Too low a dose to matter

    Many beauty supplements use very small amounts of biotin — often below the levels studied for visible results.

  • Missing keratin-building support

    Hair is primarily made of keratin. L-cysteine and L-methionine are key amino acids involved in its structure. Without sufficient building blocks, supporting hair thickness becomes more challenging.

Hair Regrowth Doesn’t Always Happen On Its Own.

The longer a follicle stays inactive, the more support it may need to resume healthy growth. Hair thinning builds gradually. What starts as a few extra strands becomes thinner sections, less volume, less confidence. The window to act is usually earlier than we think. And the longer you wait, the longer it may take to see visible improvement.

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Hair Regrowth Doesn’t Always Happen On Its Own.

Oleksandra

Verified Buyer

"My hair was growing suuuper slowly. And since I dye it blonde, it tends to shed a lot and just can’t recover fast enough. I was honestly starting to think I’d have to grow out my natural color and give up my favorite shade. But after just one month of taking this biotin, I can see so many tiny new baby hairs growing in — and I’m so happy about it!"

From the inside out

From the inside out

Reduced hair shedding

Reduced hair shedding

L-cysteine helps support the keratin structure of hair, contributing to stronger strands that are less prone to breakage.
Supported growth cycle

Supported growth cycle

Biotin, L-cysteine, and L-methionine work together to support the normal hair growth cycle.
Stronger, thicker-looking strands

Stronger, thicker-looking strands

By supporting keratin formation, these nutrients contribute to improved structural strength and visibly fuller-looking hair.
Preserved color & shine

Preserved color & shine

L-methionine plays a role in antioxidant defense, helping protect hair from oxidative stress that can affect appearance over time.
Stronger nails too

Stronger nails too

The same keratin-supporting pathway that benefits hair also contributes to stronger, less brittle nails.
Healthier-looking skin

Healthier-looking skin

L-cysteine is involved in glutathione production — a key antioxidant that helps protect cells from oxidative stress.

Karina

Verified Buyer

"This is an amazing product! After a keratin treatment, my hair felt completely lifeless. Now it feels stronger and fuller, like it’s been brought back to life. I’ve also noticed that my nails are much stronger. I’ll definitely be buying it again!"

A-Biotin ingredients backed by science

A-Biotin ingredients backed by science
25%
Thicker nails
Biotin increases nail thickness, making them stronger and less brittle.
17%
Of hair keratin is made of cysteine
Cysteine makes up about 17% of the keratin structure in hair, which gives it strength, thickness, and growth. It's one of the key ingredients in A-Biotin.
18%
Higher antioxidant enzyme activity
L-methionine supports skin antioxidant activity, protecting it from stress and the early signs of ageing.

Biotin is everywhere. This formula is different.

You can keep blaming your shampoo. Or you can support growth where it actually begins. A-Biotin is more than a beauty supplement. It’s structural support for stronger, fuller-looking hair.

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Biotin is everywhere. This formula is different.