Shampoo: 1 beaten egg (optional)+ 2 scoops of neutral washing gel (for instance Hipp Gel lavant: https://www.migros.ch/fr/product/513245000000). Leave for a minute and then rinse with cold / warm water to avoid cooking the egg. You can also use a natural shampoo (for example: Alepia shampoo with organic argan oil: https://alepia.com/fr/shampoings/302-shampoing-bio-a-l-argan-3700479110190.html). If you suffer from dandruff,…