Fine, straight grain cedar has been the long-established choice for sauna for thousands of years for obvious reasons:
1.	Cedar Wood lasts longer than other wood species when used in sauna.Its exceptional thermal insulating properties resist checks and splits caused by the heating up and cooling down in the sauna.
2.	Cedarwood is a wood of exceptional beauty with natural colors ranging from a light honey, mellow ambers, reddish cinnamons to rich sienna browns.
3.	Cedarwood is subtly aromatic which punctuates the true sauna experience. The characteristic fragrance of cedar soothes the senses without the overpowering effect of perfumes.
4.	Cedarwood contains extractives that is anti-fungi and to prevent decay. The two principal extractives that are responsible for the decay resistance are Thujaplicans and water soluble phenolics.This unique quality is important in the sauna where moisture and heat combine to create an ideal environment for molds and bacterial growth.Abrasive chemicals which are harmful to the human bodies must be used to disinfect the sauna if other wood species are used. The use of cedarwood minimizes the usage of these chemicals and provides a healthy sauna experience by the next users.
5.	Cedarwood can be easily maintained by using detergent and water to remove simple stain. More permanent stains can be removed by resurfacing or sanding the cedarwood inside the sauna.This process will return the natural beauty and unique aromatic properties of the cedarwood.
6.	Cedarwood contains aromatic oils that are known for their healing and cleansing properties to aid detoxification during the sauna Amaon.com states that “Cedarwood (Oil)is widely used in the cosmetic and perfume industry, especially for men’s toiletries. It also breaks down mucus, making it useful for treating catarrhal conditions, especially bronchitis. Cedarwood can also help disperse excess fluids through the body.

Please note that an extremely small percentage of the population has a condition know as Multiple Chemical Sensitivity (MCS). While this is not an universally recognized disorder in the medical field, these people have an adverse physical reaction to low levels of many common chemicals and cannot tolerate any aromatic oils, perfumes shampoo or herbs.However, for the majority of the population, cedarwood is the sauna wood of choice.

In other words, pleasant smelling essential oils that are used for beauty, healing and rejuvenation.