Best for natural or previously lightened ... is the best and safest way to deposit color without lifting the hair cuticle,” says Cleveland. However, ammonia-free dyes may not be the most ...

so that the dye can access the hair shaft (inner part) and be deposited day. However, as awareness grows, ammonia-free hair colours are gaining popularity. Alongside, natural hair colours such as 1.

No matter what level of gray coverage you're looking for, these at-home kits provide natural-looking, shiny coverage.