These fragrance oils are concentrated; 1oz bottle will need 1 lb of wax. You can use any wax.
The sampler set comes with a bonus 2 drams of Berry Cobbler.
All fragrance oils are safe to use in bath products except Cinnamon which is not skin safe. Vanilla has a tendency to give bath products a brownish color but that does not affect the quality of the product.
All fragrance oils can be used in diffusers, all oils can be used in oil warmers accompanied with a carrier oil
All fragrance oils can be used to make DIY cleaners