Name: KO
Brand: Good Dye Young Inc
SKU: 91018
Price: 10.0 USD
Availability: InStock

$19.00 $10.00 Save $9.00

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Complete Your Routine

The Facts

True, bright golden shade with yellow and orange undertones
Semi-Perm
12-16 washes
Most vivid on level 10 hair

Our clean & vegan semi-permanent hair dye combines salon-grade pigments with a nontoxic formula that deposits ultra vibrant color. Our semi-permanent hair dyes do not damage the hair, in fact they’re super conditioning with a high-quality cream base that acts like a hydrating hair mask. And always, Good Dye Young is cruelty-free and Leaping Bunny Certified.

Hydrolyzed Rice Protein enhances strength & volume
Sunflower Seed Oil fights fading from UV & heat
Glycerin conditions & enhances shine

Our semi-permanent hair dye contains naturally derived essential oils to gently fragrance the formula while strengthening and adding moisture and shine to hair.

BEFORE & AFTERS

Level 10

The perfect base for the most vibrant and long-lasting results!

Level 9

KO can easily cover the yellow tones present in level 9 hair.

Level 8

KO will enhance any golden tones in level 8 hair.

Level 7

KO may add a slight gold tint to dark hair, and will wash out faster.

How To Use Pro Tips Ingredients

To create the best blank canvas for your color, we recommend that you first lighten your hair with our easy-to-use GDY Lightening Kit. Our semi-perms work best over pre-lightened hair, levels 7-10. Please refer to individual colors for the best starting level.
Squeeze your color into a plastic bowl. Remember: wear gloves to prevent staining on your hands.
Do a strand test before applying the color all over your hair to ensure you love the look.
Divide your hair into 4 equal sections and apply dye directly onto dry hair with a color brush or your fingers. Make sure the color is fully saturated throughout each section by applying a dollop of color for every two inch portion of your hair. Gently emulsify/massage into the hair to ensure coverage.
Let the color sit on your hair for at least 30 minutes.
Rinse with cool water.

To maximize the vibrancy of your newly semi-permanent dyed hair, we recommend waiting at least 24 hours before your first shampoo. To minimize fading over time, rinse your hair with cool water each time you wash. Also, try reducing your hair washing days to extend the color even further.
New to vibrant colors? Look no further. KO is a killer starter color.
It’s a true golden hue, so if your hair lifts yellow there’s no need to tone before applying.
Over time, KO will begin to fade into a natural looking blonde.

Water (Aqua), Cetearyl Alcohol, Cetyl Alcohol, Stearyl Alcohol, PEG-40 Castor Oil, Octyldodecanol, Propylene Glycol, Glycerin, Mica, Dicetyldimonium Chloride, Titanium Dioxide, Fragrance (Parfum), Laureth-23, Laureth-4, Phenoxyethanol, Sodium Benzoate, Basic Yellow 57, Chlorhexidine Dihydrochloride, Glucose, Citric Acid, Polyquaternium-113, Ascorbic Acid, Basic Brown 17, Tocopheryl Acetate, Iodopropynyl Butylcarbamate, Helianthus Annuus (Sunflower) Seed Extract, Biotin, Citrus Aurantium Bergamia (Bergamot) Peel Oil, Basic Yellow 40.

VIBRANT COLOR FOR ALL

At Good Dye Young, we formulate rockstar-grade, hair-healthy products so that you can live vibrantly, experiment safely, and express yourself confidently.

Good Dye Young was created by Hayley Williams, lead singer of the Grammy Award-winning band Paramore, and her longtime hair stylist and makeup artist, Brian O’Connor.

The two became best friends through years of creative collaboration and developed GDY as a good-for-you hair color brand that breaks down the walls of being a company in order to build a community centered around color, connection, and creativity.

Overall rating: 4.7460318 / 5 from 63 reviews.

AI Generated Review Summary

KO offers a true, bright golden shade with yellow and orange undertones. It is a semi-permanent hair dye that lasts 12-16 washes and is most vivid on level 10 hair. Customers appreciate its non-damaging, conditioning formula and its cruelty-free, Leaping Bunny Certified status.

Summary topics

Hair Feel: 17%
Color Accuracy: 45%

Review topics: ["results","color","feeling","smells","looks","hair","base","dye","shade","orange","tone","gold","fade","addition"].

Review highlights

"Other than that, I feel so beautiful and I can’t wait to try the other metal headzzzz colors soon :)" — Mel K.
"I love GDYs formula, it’s great at conditioning your hair which leaves it feeling soft and smooth + it smells good??" — Cait M.
"It smells good and leaves and leaves my hair feeling better than it did before the dye." — Katie B.

Reviews

Pretty color, only works on bleached hair

"The color is really pretty. However, it only works on fully bleached hair. It doesn't work on light hair or white hair, it completely washes out directly after you dye it. But on completely bleached hair, it's really pretty."

— Randi S. (3/5)

perfection

"i mixed this with steal my sunshine to make my own shade for hayley’s tour, it turned out perfect!!"

— kaitie (5/5)

I LOVE THIS YELLOW!!

"This is such a pretty complimentary sunflower-y yellow!! I was hesitant to try a yellow with my complexion, but it was absolutely perfect for my most recent style"

— Rhea G. (5/5)

Cute!!

"Smells nice and makes my hair feel so nice after!!"

— Grace F. (5/5)

very pretty!! i really like

"very pretty!! i really like the color <33"

— Calla C. (5/5)

Gorgeous

"Was worried if this yellow would show up, even with very bleached level 10 hair! It is such a beautiful color without being in your face. Love my good dye young products"

— Sav (5/5)

Absolutely love it

"I love The way my Hair feels after i color it. And it smells SOO GOOD while putting on!!!"

— ALAINA M. (5/5)

"Super color accurate if ur hair is platinum"

— Diego (5/5)

Killswitch + none more black! Nice combo

"I mixed a little bit of none more black with killswitch for my boyfriends gray hair and it came out awesome 🩶🖤"

— MAYRA P. (4/5)

Must have on hand.

"I use this color as a base. Love how when I mix it with riot how the tone fades out so nice in the end even as the orange falls away this gold lingers. My next move is mixing it with toxicity. I have a few bottles on hand with many other colors to shake things up and get the vibe going."

— Skylar R. (5/5)

Q&A

What would happen if I put this over super faded Ex Girl?: Hi Andy, Thanks for reaching out. Using KO over a very faded Ex-Girl will most likely result in a coral/orange color. Our color expert can give you custom feedback if you're able to email a photo of your hair to help@gooddyeyoung.com. Team GDY
Hello. I’m looking for a few answers. I used Riot recently but it came out more red than orange. I have the fader but I also bought KO (to mix with Biz) I’m just wondering if I can use the KO over riot to kind of “tone down” the red? Or if the fader will do anything to tone down the riot? I just want to know if those will work or if my only option is to colour remove/bleach the riot?: Hi April, Thank you for reaching out! We'd love to help you with this hair transformation. It would be great if you could provide us with an image of your current shade, and a little more info on your hair history. Was your hair pre-lightened before applying Riot, if yes, what level? Please reach out to us at help@gooddyeyoung.com so we can advise on next steps. Thanks, Team GDY