Spearmint Essential Oil Mentha spicata Used throughout the culinary and pharmaceutical industries. Used in traditional remedies for its effects on the digestive system, and for relieving aches and pains. Spearmint oil is not as strong as peppermint oil and is considered a safer substitute in products for children. Source: Mentha spicata is produced in the USA. Extraction: Spearmint essential oil is obtained by steam distillation of the flowering tops of the plant. Aroma: Spearmint essential oil has a warm, spicy-herbaceous, minty scent. Fragrance note: Top. Properties: Spearmint essential oil is antiseptic, carminative and antibacterial.