Hair Regrowth – Using a Combination of Therapies Gives Best Results Using injectable treatments such as PRP, beauty therapy treatments with rejuvenating serums, light therapies, and home-care treatments, in combination, gives the best possible chance of hair regrowth. PRP: https://www.beautiphi.co.nz/press-releases/prp-treatment-for-hair-loss/ PRP is the current gold standard for hair rejuvenation. Combining injectable treatments of scalp PRP with injectable serums boosts your outcomes, giving better results.