There are two categories of ingredients that are commonly used to scent soap: essential oils and fragrance oils. Each has its benefits and disadvantages.
Essential Oils and Fragrance oils for soap making
Six essential oils that everyone who is new to cold process, natural soap making needs to buy now!
Essential Oils vs. Fragrance Oils - Soap Queen
Essential Oils
Gain Type Fragrance Oil for Soap Making, Candle Making and Bath and Body Products, Home Sprays, Diffusers, Cleaning Products and More. 2 Oz
Soap Making: Essential Oils or Fragrance Oils? — The Essential Oil Company
Essential Oils
Lavender 40/42 Essential Oil – Arizona Soap Supply
Best Essential Oils for Soap Making
Essential Oils for Soap Making
Five more essential oils that are perfect for use in cold process soap making
Best Essential Oils for Soap Making