Although there is no research indicating that high concentrations of salicylic acid (above 2%) pose direct health risks to a breastfeeding baby, it is recommended to avoid applying it to areas that might come into direct contact with your babys skin
Braz J Otorhinolaryngol 88:130140 Pavlidis P, Papadopoulou K, Tseriotis VS, Karachrysafi S, Sardeli C, Malliou F, Kavvadas D, Papamitsou T, Sioga A, Anastasiadou P (2022) -Methyl-D-aspartate antagonists and their role in limiting ototoxic phenomena
Current available treatment options for FD include intravenous (i.v.) enzyme replacement therapy (ERT) with recombinant enzymes (agalsidase (Replagal ) and agalsidase (Fabrazyme )) and oral chaperone therapy (Migalastat (Galafold ))
While it may not "reverse" hair that has already turned completely white, glutathione may support the maintenance of your natural color