Sevich Hair Building Fibers bottle for concealing thinning hair and creating a fuller-looking hairstyle.

Sevich hair fiber powder bottle for covering sparse areas and adding the appearance of thicker hair.

Sevich concealer fibers bottle for blending into thin hair areas and improving hairline coverage.

Sevich hair thickening fibers bottle for hairline touch-ups and fuller-looking daily styling.

Sevich keratin hair fibers bottle for filling sparse hair areas and enhancing natural-looking volume.

Sevich Hair Building Fiber shaker bottle for making hair appear thicker and covering visible scalp areas.

Sevich hair fiber bottle for adding an instant fuller-hair effect and improving styling confidence.

Sevich root concealer fibers bottle for masking thinning spots and creating denser-looking hair.

Sevich hair building powder bottle for boosting natural-looking hair fullness and covering fine areas.

Sevich thickening hair fibers bottle for daily styling and reducing the look of thin hair patches.

Sevich hair filling fibers bottle for improving the appearance of hair density and fuller scalp coverage.

Sevich hair fiber concealer bottle for covering thinning hair in men and women and supporting fuller-looking styles.

Sevich Hair Building Fibers bottle for root coverage and helping hair look thicker in sparse sections.

Sevich hair thickener fibers bottle for concealing sparse crown areas and creating a more even hair appearance.

Sevich hair volume fibers bottle for supporting thin hair styling and giving a thicker-looking finish.

Sevich Hair Building Fibers bottle for instant hair coverage and making thinning areas look fuller.

Sevich hair fibers bottle for creating natural-looking thick hair and covering visible sparse spots.

Sevich hair density fibers bottle for improving thinning hairlines and supporting a fuller hair appearance.

Sevich Hair Building Fibers new packaging update showing old and new bottle design on yellow background.

Sevich Hair Building Fibers – Hair Powder

Natural Keratin Fibers · Instant Root Coverage · 25g Travel Bottle

(57)

$11.57

A cosmetic keratin-fiber concealer that visually fills in thinning areas in seconds — it does not treat or reverse hair loss.

Instant Coverage
Natural-Looking Finish
Sweat & Rain Resistant
Washes Out Fully

Quantity:

In stock – Ready to Ship

Free shipping Free shipping On orders over $100
14-days returns Easy and hassle free
Secure payment 100% protected

Keratin Fiber Technology

Shares hair's own protein structure for a natural cling

Multiple Shades

Match your root color or blend two for a gradient

25g Travel Bottle

Lasts roughly 30–45 days of regular touch-ups

Zero Residue

Rinses out completely with regular shampoo

Product Details

Sevich Hair Building Fibers are not a hair-growth treatment — they're a cosmetic concealer designed to make thinning areas look fuller within seconds. The 25g bottle holds natural keratin fibers that share the same protein structure as human hair, which is why they cling to existing strands via static charge instead of sitting on top of the scalp like a plain powder.

To use them, you shake the bottle over a thinning part, hairline, or crown, then pat the fibers in so they settle and blend with your real hair. The effect is visual: from a normal viewing distance, sparse areas read as fuller and denser, and the finish is designed so it isn't obvious you're wearing a concealer. A light mist of hairspray before and after helps the fibers hold through the day.

Because the fibers are keratin-based rather than a dye or paint, there's no staining on skin, clothing, or pillowcases, and the product is formulated to resist light rain, wind, and sweat — though a full wash removes it, since it's designed to rinse out completely with regular shampoo. That's a deliberate trade-off: nothing is left behind to build up on the scalp with repeated use.

Available in multiple shades, the fibers are meant to be matched to your root color, or blended between two shades for a natural, gradient look at the hairline. The 25g bottle is travel-sized and typically lasts several weeks of regular touch-ups, making it easy to keep on hand for daily use or for events and photos where coverage matters most.

This product is a styling and concealment tool, not a treatment — it does not penetrate the scalp, feed hair follicles, or affect the biology of hair growth or loss in any way. Anyone dealing with ongoing hair loss should speak with a dermatologist to address the underlying cause; the fibers can be used alongside that care as a purely cosmetic aid.

Explore more options in our Hair Care collection.

Why Choose Sevich Hair Building Fibers

Honest About What It Is. This is a cosmetic concealer, not a growth treatment. It's the right choice when you want thinning areas to look fuller today, not a product that changes the scalp.

No Staining, No Buildup. Unlike dyes or paints, the keratin fibers don't stain skin or clothing and wash out completely, so there's nothing left behind to affect a scalp-care routine.

Travel-Ready. The 25g bottle is small enough for a bag or carry-on, so touch-ups are easy wherever you are.

See our full Hair Care collection for scalp treatments that pair well alongside cosmetic coverage.

Sevich Hair Building Fibers Benefits

Instant Coverage. Shaken over thinning spots, part lines, or a receding hairline, the fibers visually fill sparse areas within seconds.

Natural-Looking Finish. Because the fibers share hair's own protein structure, they blend with your real strands rather than sitting on top like a powder.

Sweat & Rain Resistant. The fibers are formulated to hold through wind, light rain, and sweat, especially with a light hairspray mist.

Washes Out Fully. Nothing builds up on the scalp — the fibers rinse away completely with your regular shampoo.

How to Use Sevich Hair Building Fibers

Prep. Start with completely dry, styled hair — moisture causes the fibers to clump.

Optional Pre-Spray. Mist thinning areas lightly with hairspray for improved adhesion.

Apply. Gently shake the bottle over thinning areas from 2–4 inches away.

Blend. Pat lightly with fingertips to help the fibers settle, then style with fingers or a wide-tooth comb — avoid vigorous brushing.

Lock In. Finish with a light hairspray mist, and wash out completely with regular shampoo when ready.

Main Ingredients

Natural keratin fibers, colored to match common hair shades. Contains no dyes that stain skin or fabric.

Specefications

Product form: Powder
Suitable for hair type: All hair types
Target gender: Unisex

Shelf Life & Storage

Store tightly capped in a cool, dry place away from direct sunlight and heat.

Refer to the batch or best-by information on your packaging for the manufacturer's specific shelf-life guidance.

Safety Instructions

For external use only. Perform a patch test behind the ear or on the inner arm for 24 hours before first use, especially if you have a sensitive scalp.

Avoid contact with eyes; rinse thoroughly with water if contact occurs. Discontinue use if redness, itching, or irritation develops.

Avoid inhaling the powder during application. Do not apply to broken or irritated skin.

Keep out of reach of children.

Caution & Disclaimer

Caution: For external use only. Keep out of reach of children and pets. Avoid contact with eyes, broken skin, and sensitive areas.

Disclaimer: This product is not intended to diagnose, treat, cure, or prevent any disease, including androgenetic alopecia or other medical forms of hair loss. It is a cosmetic hair and scalp care product, not a drug or medical device, and no specific growth outcome, regrowth timeline, or percentage result is guaranteed. Individual results vary. Always consult a healthcare professional before use, especially if pregnant, nursing, or under medical care.

Cosmetic Concealer Note: This is a cosmetic concealer powder that visually fills in thinning areas using static-cling keratin fibers. It does not penetrate the scalp, stimulate hair follicles, or treat, prevent, or reverse hair loss, and it washes out completely with shampoo. If you are experiencing hair loss or scalp changes, please consult a dermatologist or physician.

Licensing & Trademarks: All brand names, logos, product pictures, and trademarks are the property of their respective owners and are used strictly for identification purposes.

Shipping & Return

We process and ship all orders within 1–2 business days.

Most customers receive their orders within 4–7 business days, depending on location and carrier performance.

Once your order ships, you'll receive a tracking number via email or SMS to follow your delivery in real time.

We accept returns and exchanges within 14 days of delivery. If you're not satisfied with your purchase, contact us to arrange a return or exchange within this window.

Delivery times may vary slightly during peak seasons or weather conditions, but we always aim to get your order to you as quickly as possible.

FAQs

Q: How do I apply the fibers for the most natural look?
A: Start with clean, dry, styled hair. Gently shake the fibers over thinning spots from a few inches away, then pat them in so they settle and cling. A light hairspray before and after helps them hold.

Q: Will the fibers stay put through sweat, wind, or light rain?
A: Yes, the keratin fibers cling to hair using static and are formulated to resist sweat, wind, and light rain. A setting spray helps them last longer, and reapplication is needed after heavy rain, swimming, or washing.

Q: How do I choose the right shade?
A: Choose the shade closest to your natural root color. If you're between two shades, use the darker one, or mix both directly on your hair for a natural gradient.

Q: Is this a hair-growth treatment?
A: No. This is a cosmetic concealer — it visually fills in sparse areas but does not penetrate the scalp, feed hair follicles, or treat, prevent, or reverse hair loss in any way. It's a styling product, not a medical treatment.

Q: Can I use it alongside other hair-care products?
A: Yes. Apply the fibers after any styling products have dried, then lock them in place with hairspray. They can also be used alongside a separate scalp-care routine — apply that first, let it fully absorb or dry, then add fibers.

Sevich Hair Building Fibers – Hair Powder

Customer reviews

Customer Reviews

Recently viewed

Your cart (0)

Empty your cart?