Barrier Lavender Wash. Barrier Lavender Wash contains the purest high grade lavender and coconut derivatives and is ideal for use after exercise or competition. Lavender Wash can help to disperse bruising and soothe minor cuts and abrasions and can be applied neat to affected areas. Barrier Lavender Wash offers a concentrated, low lathering, no rinse formula. No artificial thickeners. Free from prohibited substances under FEI and HRA rules.