Generally, 30 volume developer is safe to use on most hair types with proper application and timing. However, it's not recommended for extremely fine, fragile, or previously over-processed hair, as the strength of the peroxide can lead to brittleness or breakage.
Using 30 volume for a dye meant for 20 volume can sometimes leave the hair too brassy bc it doesn't contain enough pigment for 3 levels of lift.
The 30 volume developer is stronger than a 10-volume developer but not as strong as a 40-volume developer, making it a versatile choice for a wide range of hair coloring applications. Benefits of Using 30 Volume Developer: Lifts Hair Color by 2-3 Levels: The 30 volume developer is great for lightening your hair.
You only need a 10 volume for toner 20 is acceptable. But 30-40 will damage your hair i highly suggest not using especially because toner is essentially just coating your hair to cancel out an existing color.
yes it will expire because of oxidation and oxygen getting into the bottle.
30 Volume Developers
It is usable and can be used with a lightening scram, a powder, or permanent hair color. It is advisable to stay away from this developer if you are not a hair coloring professional because it contains high concentrations of peroxide and might cause hair damage if not used with care.
Yes. Developer can damage hair.
One of the most common questions is: How long to leave 30 volume developer on hair? In general, it's recommended to leave it on for 15–30 minutes, depending on how much lift you're looking for. However, going over this time can cause significant damage.
2. How often can you use 20 volume developer? It's best to wait at least 4-6 weeks between applications to avoid over-processing and damaging your hair.
30 Volume (9%) Developer
Although a Volume 30 developer is strong enough to cause scalp irritation in most people, it allows you to achieve a 3-4 level lift with bleach.
But we don't recommend that you apply just developer to the hair. You will get an uncontrolled lift, without any re-coloration and you will end up damaging the hair. Always use developer combined with bleach or color or toner. Never by itself.
40 volume developer is the strongest level of developer, and we do not recommend it for at home use. Even with dark hair, it is easier and safer to do several rounds of lightning with a lower volume developer rather than try to lift your hair an extreme amount in one go with a higher volume developer.
If you have never toned your hair before, it's best to do a strand test first as the results of the treatment will vary depending on your hair's porosity. Leave the toner in for between 5-20 minutes: you can rinse a small section to see when the color has fixed to your liking.
40% developer is a very strong lift or intensity for the color , 30% developer is a medium lift for 5 shades and is strong , 20% developer is standard lift and what most people use to dye their hair . 10% developer is lowest strength developer , you use that to tone or just add a slight color difference .
Mix with any permanent hair color or lightener when the directions call for 30 Volume Developer. Can be used for either bottle or bowl and brush application.
Caution: Do not use on skin and scalp always use protective gloves, keep out of reach of children, this product contains hydrogen peroxide. If product comes into contact with eyes rinse thoroughly and seek medical attention. Store in a cool, dark place.
30 volume hair developer
As with the 20, it's also a good choice if you're looking to cover up some gray hair. Many people choose 30 volume for highlights because it's strong enough to lighten the hair, but not so strong that it will damage it.
The choice between a 20 and 30 Volume developer hinges on your desired lift. A 20 Volume developer provides a lift of 1-2 levels, which is great for subtle changes and gray coverage. For a more significant lift of 2-3 levels, opt for a 30 Volume developer.
Dryness and Damage: As mentioned earlier, higher volumes of developers can cause severe damage and dryness. If you use too much hair colour and developer, the excess peroxide can strip your hair of its natural oils, leaving it brittle and prone to breakage.
Using too much developer can lead to over-processing, which means that the hair cuticles can get damaged, leaving the hair looking dull, dry, and brittle. Plus, the color won't turn out the way you want it to, and you might even end up with a funky, uneven color that looks like a unicorn threw up on your head.
The longer you leave it on, the more your natural hair color will lift, and the lighter your strands will become. If you only want a subtle change, the amount of time necessary may be less than if you're looking to make a dramatic change, like going from a dark base to platinum blonde.
“Using different developers is key, and a HUGE pro tip to keep the red from going too dark, and old highlights from absorbing too much pigment,” explains Jill, who uses 20 volume on virgin hair, and 25 – 30 volume on previously highlighted hair.
Allergic reaction: Some people may have an allergic reaction to certain ingredients in the hair dye, which can cause scalp irritation and hair loss. Underlying scalp conditions: Certain scalp conditions, such as dandruff or psoriasis, can be aggravated by hair coloring and lead to hair fall.
Consider taking a look at L'Oreal Paris if you want to avoid hair thinning and damage. One of the safest hair dye brands in the United States is called Revlon. This is a brand that will provide your hair with a silky texture without damaging your hair.
The standard developer for gray coverage is 20 Volume; however, 30 Volume and 40 Volume can also be used if the percentage of gray is low and additional lift is needed to achieve the desired result.