(TrendHunter.com) Frey is launching its water and plastic-free laundry detergent sheets. The Y-Combinator alumni company is known for its line of eco-friendly laundry and personal care products. The eco-focused brand... (TrendHunter.com) Frey is launching its water and plastic-free laundry detergent sheets. The Y-Combinator alumni company is known for its line of eco-friendly laundry and personal care products. The eco-focused brand...