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Learn which carrier bases work best for fragrance oils in diffusers, including reed diffuser solvents, evaporation rate, scent throw, and safety.

Compare fragrance oils and essential oils for candle making, including scent throw, cost, stability, natural claims, safety, and product positioning.

Learn what phthalate-free fragrance oils really mean, why buyers ask for them, how to verify claims, and what it means for candles and home fragrance.