Olena Fill & Go
Olena Fill & Go
48-Hour Wear
Natural ingredient
Instant Results
Waterproof & Rain-Resistant
Shade List
A soft warm-beige tone that disappears into bright and sun-kissed blondes. Ideal for filling pale roots and thin parts without the brassy edge a darker shade would leave behind.
A neutral wheat tone built for cooler, deeper blondes. Blends sandy regrowth and softens visible scalp where lighter shades read too yellow.
A versatile bridge shade for the blonde-to-brown in-between. Covers grown-out highlights and lightens up thinning areas where a true brown would look too heavy.
A warm mid-brown with a subtle reddish lean that melts into chestnut and caramel tones. The everyday match for the most common brunette shades.
A cool-leaning deep brown that covers greys and sparse parts on darker brunettes without turning flat or muddy. Reads natural even in bright light.
The deepest shade, an espresso-black that hides every grey strand and stark scalp line on the darkest hair, where contrast makes thinning most visible.
A true cool grey made to blend with greys rather than cover them, evening out patchy salt-and-pepper roots and giving silver hair a fuller, more uniform finish.
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Olena Fill & Go
Selling out fast
Due to high demand, limited quantities available
60-day money-back guarantee
Try them worry-free. If they're not the most comfortable bras you've ever worn within 60 days, you'll get your money back.
What makes it different?
What makes it different?
Fill & Go removes the wait between salon visits. Instead of dye that stains or sprays that flake, our cushion-tip applicator presses color-matched pigment straight onto the strand and scalp - so greys, sparse parts, and thinning spots disappear in a few light dabs. Infused with argan oil and vitamin E, it blends into your natural shade for a soft, full, lived-in finish - never flat or painted on. The waterproof formula holds through sweat, rain, and busy days, then rinses clean with one wash of shampoo.
Does it work on my skin?
Does it work on my skin?
Our Color Changing Foundation is suitable for all skin tones above and in between.
How do I use it?
How do I use it?
Step 1: Start Dry & Sectioned
Make sure your hair is dry — Fill & Go grips best on a dry surface. Part your hair where you want coverage and clip the rest away, so the area you're touching up is fully exposed and easy to reach.
Step 2: Dab, Don't Drag
Press the cushion tip gently onto your roots, part line, or sparse spot. Use light tapping motions instead of dragging — a few quick dabs deposit just enough color to blend with your natural shade. Build slowly; you can always add more.
Step 3: Blend & Feather
Lightly pat the edges with your fingertip or the tip itself to soften any hard lines and feather the color into the surrounding hair. This is what makes the finish look fuller and natural instead of painted on.
Step 4: Set & Go
Give it a few seconds to dry down to a waterproof, sweat-resistant finish that holds through the day. No spray, no mess — and when you're ready, it washes out completely with one shampoo.
Ingredients
Ingredients
- Amazonian clay: for better, truer, longer wear
- argan oil: rich in essential fatty acids to moisturize & nourish
- grapeseed oil: moisturizes
- castor oil: hydrates & smooths
How does the money back guarantee work?
How does the money back guarantee work?
Find your perfect match with zero risk. Fill & Go comes with a complete satisfaction promise: if the color doesn't blend seamlessly with your natural shade, we'll make it right with a full refund — no questions asked.
We know buying a hair color touch-up online can feel like a gamble — you can't tell how it'll look until it's on your own hair. That's why we've taken the risk off your shoulders. Try it on your roots, in your lighting, with your routine. If it's not your perfect match, just let us know within 30 days and we'll process your full refund right away.
Shipping and returns
Shipping and returns
FREE US Shipping on orders over $50!
Due to the influx of orders from our ongoing sale, there may be a slight delay in dispatch. Rest assured, all orders are processed within a 24-48 hour timeframe. Once shipped, delivery typically takes approximately 5-7 business days, depending on your location.
Orders under $50 ship at a flat rate, calculated at checkout. Every order includes standard tracked shipping, so you can follow your package from our door to yours.
Returns
All returns must be postmarked within fourteen (14) days of delivery. Returned items must be in new, unused condition and in their original packaging. See our return policy for more info.

Adopted by more than 20,000+ people
Coverage that looks like your hair
Meet the touch-up that takes the guesswork out of fuller-looking hair.
Fill & Go's color-matched pigment blends seamlessly into your natural shade, instantly covering sparse parts, visible scalp, and thinning spots — for a denser, healthier-looking finish that reads like your own hair, only fuller.
No salon, no mess, no waiting. Just dab, blend, and watch the transformation.
- Fills sparse parts instantly
- Blends into your natural shade
Loved by 50.000+
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★★★★★
Finally something for fine hair that doesn't look fake
I'm 56 and my hair has gotten so much finer over the last few years you could see my scalp through my part in every photo. My roots also grow in faster than I can get to the salon. I was nervous this would look like a block of color sitting on top, but it actually melts into my own shade. I dab it along my part, feather it with my finger, and my hair instantly looks fuller. Bonus: it survived a humid afternoon at my granddaughter's soccer game and didn't budge until I washed it out that night.
Carol M. — Verified Buyer, Naperville, IL
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★★★★★
My salon stretch just went from 4 weeks to 7
Coloring my hair every month was costing me a fortune. A friend told me to try this before booking my next appointment and honestly I've pushed my salon visit back almost three weeks now. The shade blended into my brown perfectly - no orange, no ashy weirdness. Takes me maybe 20 seconds in the morning. The only thing I'd say is go light at first because a little really does cover a lot. I'm hooked.
Daniela R. — Verified Buyer, San Antonio, TX
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★★★★★
The grey strands at my part used to drive me crazy
Dark hair makes every single grey show, especially right at the part where I split it. I'd been pulling them out one by one (I know, terrible). This covers them in seconds and the finish doesn't look chalky like the spray I tried before. What sold me is that it washes out completely with one shampoo - I didn't want a semi-permanent dye building up on my hair. Sweat-proof too, I tested it at hot yoga and it held.
Priya S. — Verified Buyer, Edison, NJ
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★★★★★
Perfect for covering scalp between braid installs
I wasn't sure this would work with braids but it's actually a lifesaver. When my parts start to look bare or my edges thin out a little, I just dab it right on the scalp and it fills everything in so it photographs clean. The cushion tip makes it easy to get in between the braids without making a mess. Doesn't rub off on my pillowcase or my collar either. Will be repurchasing before my next style.
Tiffany W. — Verified Buyer, Atlanta, GA
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★★★★★
A sleek bun shows everything, this hides it all
I wear my hair pulled back most days for work, and a tight style exposes every thinning spot and bit of scalp. I'd basically given up on slicked-back looks. Now I dab a little along my hairline and part before I tie it up and it looks twice as dense. It doesn't flake or leave that stiff, crunchy feeling some products do. Lightweight, natural, gone with one wash. I've already told two coworkers about it.
Mina K. — Verified Buyer, Irvine, CA
Why Olena?
| Olena | Others | |
|---|---|---|
| Blends into your natural shade | ||
| Covers greys & sparse parts instantly | ||
| Waterproof & sweat-resistant | ||
| Washes out with one shampoo | ||
| No flaking, dusting, or stiff finish |
Real results
97%
Said it blended right into their natural shade
Based on an eight-week independent customer panel
98%
Said sparse parts and visible scalp disappeared
Based on an eight-week independent customer panel
93%
Loved that it didn't feel stiff, crunchy, or sticky
Based on an eight-week independent customer panel