Is dyeing harmful to the hair?
It depends on the condition of your hair and the type of paint. Weak hair, subjected to permanent waves and frequent color changes, they should take a break from paint. Strong lightening especially damages them. It is less harmful to give the hair a darker shade or to enhance its natural color. American cosmetologists believe, that paint ingredients, such as oxidants and phenols, they are poisons.
What is the difference between a dye and a color shampoo? Farba zawiera substancje utleniające, i.e. hydrogen peroxide and ammonia.
It is a strong coloring agent, reaching deep into the hair fiber. It removes its natural dye, replacing it with artificial pigment. Coloring shampoos do not contain ammonia. They mainly cover the outer part of the hair. They also do not remove the natural pigment. They are less durable than paints.
Which hair dyes are the most durable??
Paints are the most durable. Tone-on-tone colorants without ammonia work in a similar way. Coloring shampoos without ammonia are less durable.
Po 4-6 weeks, depending on the frequency of washing the head, artificial color disappears. The effect of rinses and coloring foams basically disappears after 2-3 head washes.
Whether to dye your hair at home or at the hairdresser's?
The choice is up to you. Manufacturers of all paints attach leaflets with detailed instructions to their cosmetics. So, home coloring is not difficult. However, if you dream about highlights, lightening already colored hair or dyeing permanent – better go to the hairdresser.
How to dye your hair at home?
Start with the top of your head: separating individual strands of hair, apply the preparation with a soft brush or brush from the roots of the hair to the ends. If you have suckers,just cover them with paint, so as not to overburden the entire hair.
I have a few gray hairs. How to hide them? If there is little gray hair, then you can use coloring foams or ammonia shampoos. Gray hair will then acquire the same shade as the rest of the hair. If there is more than half gray hair, then use shampoos with oxidants.
Is it possible to radically change the color, e.g.. from brunette to blonde?
So, but after prior application of a decolorizer, that is, a preparation that removes natural hair pigment. Only then can we apply a coloring shampoo.
When to use a color shampoo: before or after permanent? Rather after a permanent one. The interval between making a permanent and dyeing should be at least 2 weeks. The fluid that causes the hair to twist is a chemical, which may react adversely with paint.
What decides about it, that some hair "catches" the paint faster, and others slower?
Hair structure and condition. Thick and healthy, it stains slowly, thin and worn - much faster.