Schwarzkopf BC Bonacure Guarana & Biotin Shampoo 250ml is a daily hair cleanser formulated to refresh the scalp and help hair feel stronger and more manageable. With guarana and biotin, it suits weak or thinning hair that needs gentle cleansing without heaviness, and it works well as part of a regular hair-care routine. Order from Tasco Supermart for online delivery in Karachi.