How to do the patch test


Intolerances are rare, but possible. We recommend using dyes and dyes on sensitive, irritated or damaged hair. We always recommend checking the allergens reported with the declaration on the packaging.

For greater safety, we recommend that you carry out a skin sensitivity test before applying Sanotint reflective or dyes.

This is how the skin sensitivity test is performed

1- Dilute about half a teaspoon of coloring cream in the same quantity of reagent and

2- apply the mixture in the hollow of the elbow with a cotton swab and cover with a plaster

3- leave for 48 hours

4- In case of reaction during the exposure time, do not use the product

If you have any doubts, write to us at

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