Name: Killswitch
Brand: Good Dye Young Inc
SKU: 91019
Price: 10.0 USD
Availability: InStock

$19.00 $10.00 Save $9.00

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Complete Your Routine

The Facts

Blue-based, metal grey
Semi-Perm
16-24 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

Killswitch can cover the yellow tones present in level 9 hair.

Level 8

Killswitch will darken level 8 hair, and add a slight blue tint.

Level 7

Killswitch will darken level seven 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.
Killswitch is a steel metal, blue-based grey color that will fade to a blue color.
Even though this is a darker color, it is important to pre-lighten the hair to a level 10 blonde to show the true grey color.
Depending on how often you wash your hair, Killswitch will last anywhere from 4-6 weeks.

Water (Aqua), Cetearyl Alcohol, Cetyl Alcohol, Stearyl Alcohol, PEG-40 Castor Oil, Octyldodecanol, Propylene Glycol, Glycerin, Mica, Ascorbic Acid, Basic Blue 99, Basic Orange 31, Biotin, Chlorhexidine Dihydrochloride, Citric Acid, Citrus Aurantium Bergamia (Bergamot) Peel Oil, Dicetyldimonium Chloride, Fragrance (Parfum), Helianthus Annuus (Sunflower) Seed Extract, Iodopropynyl Butylcarbamate, Laureth-23, Laureth-4, Phenoxyethanol, Polyquaternium-113, Sodium Benzoate, Titanium Dioxide, Tocopheryl Acetate, Basic Yellow 87

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: 3.5921052 / 5 from 76 reviews.

AI Generated Review Summary

Killswitch is a blue-based, metal grey semi-permanent hair dye that lasts 16-24 washes. It is most vivid on level 10 hair. Customers find the formula super conditioning, and the shade blends well with different hair colors. The smell is highly praised, and the product makes gray hair look great. However, opinions on the color are mixed.

Summary topics

Hair Conditioning: 36%
Shade Blending: 10%
Product Smell: 20%
Gray Hair Appearance: 14%

Review topics: ["color","feeling","formula","smells","looks","hair","shade","dye","grey","blue","navy","lol","purple"].

Review highlights

"The shade is always so dark and looks amazing with all colors if you wanted to have different colors in your hair!" — Caleigh M.
"My boyfriends gray hair look amazing with Killswitch + none more black, perfect combo 🩶:black_heart:" — MAYRA P.
"This color always looks and smells amazing!" — Caleigh M.

Reviews

"Amazing color! ❤️‍🔥❤️‍🔥❤️‍🔥"

— Caroline (5/5)

does not work on level 7 hair

"wanted to use this on my dark blonde hair to make it darker and it did absolutely nothing. I should not have to bleach my hair to make it look darker than it naturally is. Texture of dye is hard to work with as well, wasted more than an hour putting this on just for nothing to happen. This brand used to be so good when I used it a few years ago, quality has obviously tanked while prices went up. Its pretty sad"

— Adrian (1/5)

Is it semi-permanent?

"I take pretty great care of my colored hair but I will say the dyes I have tried (devils ivy, purple ppl eater, rock lobster, killswitch) REALLY grip on to the hair. I am a DIYer, so I love how affordable it is. I am not complaining, I’m saying I’m never going to use another dye again. It also has upped my bleaching technique! So, it’s a win."

— Aimee B. (5/5)

not perfect but a good gray

"super super thick and a little hard to work with color did not look as dark as in the preview photos by a shade or so but smells good and worked out well enough (used it on my ends and roots here)"

— Greyson B. (3/5)

Did not stick, disappointed

"I feel bad leaving this review as when I used this brand in the past, it went okay. I tried to contact some sort of support and I’m pretty sure it was an AI thing (ick :/) and the info the thing gave me was wrong/did not work. The color didn’t stick well to ANYTHING- not even my skin. I left the dye on for over an hour as well. I’m really disappointed as I wanted to try this color and don’t know where else to find one similar. It’s been two (cold/lukewarm) washes and looks patchy/is fading very poorly so I hope I can remove it without severely damaging my hair :( super disappointed since it looks like a nice color"

— Lee R. (2/5)

Seriously amazing!!

"I haven’t colored my hair in over a decade and chose these products. . my hair feels like I didn’t bleach and color it. The color saturation is so good! Also who didn’t love multiple shades of pink to choose from!?"

— Kyle M. (5/5)

🩶

"A lil thick but did the job"

— Tessa B. (5/5)

Great for mixing smoky shades

"I love Killswitch so much. I use this to mix a smoky purple. My hair is naturally blonde/grey, coarse, wavy, and not lightened. The color comes out so well and lasts about a month and a half."

— BogLady (5/5)

Metal that can be improved

"I love the idea of this color and it works beautifully on the model however, if you have any yellow in your hair it’s gonna be a bit more of a silvery green, I still liked the results but doesn’t hold up to the pool. To combat the yellowing adding a bit of purple does help and to combat the lightness I added a bit of black, still wish it came out more metallic."

— Kai C. (4/5)

"Love how this color turned out!"

— Bobby (5/5)