I recommend this shampoo/conditioner https://smile.amazon.com/OGX-Biotin-Collagen-Shampoo-Conditioner/dp/B07RLJ2H1H?pd_rd_w=FjNOp&content-id=amzn1.sym.98de0b50-f6b8-4d92-90b8-52a1b3136d05&pf_rd_p=98de0b50-f6b8-4d92-90b8-52a1b3136d05&pf_rd_r=25JFQD0BBH41RJX4Q2J3&pd_rd_wg=Ib82U&pd_rd_r=4fd05141-7fda-42a3-bf9b-dd686c61220d&pd_rd_i=B07RLJ2H1H&psc=1&ref_=pd_bap_d_rp_41_i