- Healthy Hair by Olivia Garden is a collection of eco-friendly brushes made from bamboo.These are Professional Brush Made from Bamboo that is stronger, lighter and more durable than wood. Bamboo is a 100% natural renewable resource. Using bamboo preserves hardwood forests. The Ionic Soft Cushion restores hair balance and shine, and is also anti-static and anti-bacterial. Thick Bamboo Bristles massage the scalp which activates blood cell circulation that helps stimulate hair growth, reduce hair loss, and promote healthy hair cells and healthy scalp. Healthy Hair brushes go great with matching Healthy Hair combs!