Ideal for year-round wear, the Defence Patches by Kind Patches are self-adhesive formulas that deliver a blend of vitamins, minerals and nutrients through the skin. Including a carefully selected infusion of vitamin C, vitamin D3, zinc, echinacea, elderberry, astragalus and olive leaf, plus more antioxidant-rich actives, the patches support your daily wellbeing rituals. Worn for up to eight hours, stick to your wrist, shoulder, upper arm or back for comfortable and discreet wear.