1) The document describes a 3-step hair perm treatment process using 3D All Care For Perm products.
2) The first step is to apply a pre-perm lotion before perming to form a protective film and minimize damage.
3) During perming, an amino acid serum is applied to provide nutrition and repair to the hair.
4) After perming, a balancing serum is used to remove peroxide residues and restore the hair's natural pH balance.