MAYJAM 100mL Lemon Essential Oil, Large Volume Pure Essential Oils with Glass Dropper, Perfect for Aromatherapy Diffusers DIY Healthy Care - Walmart.com
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Amazon.com: Plant Therapy Lavender Essential Oil 100% Pure, Undiluted, Therapeutic Grade, Aromatherapy Diffuser for Relaxation and Body Care, Healthy Skin and Hair, 10 mL (1/3 oz) : Health & Household
The dangers of essential oils: Why natural isn't always safe - CNET