When comparing Splat vs Overtone, the Slant community recommends Overtone for most people. In the question“What are the best semi-permanent hair dyes for unnatural colors?” Overtone is ranked 7th while Splat is ranked 17th.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Very vibrant color
Pro Extremely affordable and accessible with many shades
Pro Red hue is extremely resilient
It will be in your hair until you dye over it or cut it out.
Pro Vegan-friendly
Pro Smells great
Pro Non-damaging
It's a color-depositing conditioner, so no ammonia, peroxide, or anything else bad for your hair. It can even feel better after using it--like a moisture mask!
Cons
Con Cheap
You get what you pay for. It’s low quality hair dye that damages your hair and the color doesn’t last. This is what people who don’t know any better use or people who are too stupid to look online for quality dyes.
Con Stains everything, color washes out for weeks afterwards
Unless you use proper conditioner sealers.
Con Colors runs when it gets wet
If you have this in your hair when it rains it will run unbelively. Any sort of wetness makes it run even heavy sweat.
Con Dye itself does almost nothing to re-hydrate your hair
When using splat, make sure to follow up with a protein hair mask or using a sulphate-free shampoo.
Con Bleach packet is extremely damaging
Con Fades very quickly
After 3-4 washes the color will leave a little tinge of the old color along with the faded color
Con Both bleach and dye are extremely damaging and drying to the hair
Con Lightening kit that comes with it is not of good quality
Con Expensive
Con The "extreme" line will temporarily stain skin
When using extreme blue without gloves your hands can get a bit smurf-y for a couple of days. On the plus side, it stays in the hair well.