(TrendHunter.com) First Aid Beauty, a brand known for its sensitive skin-friendly formulas, is expanding into the hair care category with two debut products, anti-dandruff shampoo and a soothing scalp serum to match.... (TrendHunter.com) First Aid Beauty, a brand known for its sensitive skin-friendly formulas, is expanding into the hair care category with two debut products, anti-dandruff shampoo and a soothing scalp serum to match....