Essential oils gives a great aroma, helps battle stress, improves strength against fungal infections and helps you sleep. They are concentrated extractions form plants. A process named “distillation” turns the “essence” of a plant into a liquefied form for many medicinal and recreational uses.

There’s a wide variety of essential oils available at Royal Bio. Some are valued for their pleasing aroma. Others claim to have powerful healing and other properties.


Cinnamon LEAF Oil

Cinnamon leaf oil is extracted from Cinnamomum verum (also named Laurus cinnamomum) from the Laurel (Lauraceae) plant family. while being native to Sri Lanka, it also grows in many countries such as India, China and Indonesia.

The oil is produced by steam distillation from the leaves which yield 1.6-1.8%. Well managed plantations allow for sustainable supplies from the region being made available throughout the year, with the exception for the rainy season (Maha monsoon season October – January). After collection, the leaves are left to dry before distillation, as fresh leaves take longer to process.



Sri Lanka is the traditional producer of the true Cinnamon also referred to as Ceylon Cinnamon. As an indigenous plant to Sri Lanka, and grows on the southern coastal belt of the Island. Cinnamon bark contains approximately 41- 51% aldehydes. It contains cinnamaldehyde or cinnamic aldehyde (an aromatic aldehyde) which gives the flavoring that people love in mints, gums, etc.



Clove essential oil is stimulating and energizing oil that produces a warm, woody aroma.

Clove has been used for years in dental preparations, candy, and gum for its flavor and ability to cleanse the mouth, yet it provides a myriad of benefits. Its main chemical component, eugenol, makes it a very stimulating and energizing essential oil that can be used as a warming massage oil. Clove oil contains powerful antioxidant properties and supports cardiovascular health when taken internally.* As a cooking spice, Clove oil adds a spicy flavor to any dish or dessert while providing internal health benefits.* One Clove essential oil drop can clean the teeth and gums while promoting fresh breath.



Black pepper essential oil is made via steam distillation. High pressure steam is filtered through the plant material (or in the case of black pepper, a vine) until the oils can be separated from the floral water. Since black pepper oil helps stimulate the digestive system, it has been shown to cause a number of internal benefits. It has a carminative effect (it relieves gas), inhibits bacteria, and increases healthy bodily secretions (“stomach juices”).

To take advantage of these benefits, use a small amount of black pepper essential oil internally. While you could dilute and drink a couple drops in a glass of water, it probably would not taste so great – and it wouldn't be that much fun.



Cardamom Essential Oil is a beautiful and intriguing oil to explore for both aromatic and therapeutic blending.

Cardamom Essential Oil is a spicy-sweet middle note that blends well with other spice oils, citrus oils, wood oils, and so many other oils.



Coconut oil is edible oil extracted from the meat of matured coconuts, a member of the Arecaceae plant family. Coconuts, despite their name, are technically not nuts but drupes.

Whether it’s drinking coconut water, using the oil as a moisturizer or adding a spoonful to bakes, coconut rises to prominence in both our kitchens and bathrooms.



Citronella oil is an essential oil obtained from the leaves and stems of different species of Cymbopogon (lemongrass). The oil is used extensively as a source of perfumery chemicals such as citronellal, citronellol, and geraniol.

These chemicals find extensive use in soap, candles and incense, perfumery, cosmetic, and flavoring industries throughout the world. Citronella oil is also a plant-based insect repellent and has been registered for this use in the United States since 1948. The United States Environmental Protection Agency considers oil of citronella as a biopesticide with a non-toxic mode of action.



Rosemary is a medicinal plant that has been used to treat a variety of ailments, including skin irritation and hair loss. It is believed that rosemary oil has strong anti-inflammatory properties which promote healing in the skin and scalp.

Rosemary oil has been found to improve hair growth in specific cases of loss, including alopecia areata, androgenetic alopecia, and psoriatic alopecia.



Tea tree oil shows anti-inflammatory, anti-fungal, anti-dandruff and anti-bacterial properties. It is commonly used for treating acne prone skin, helping reduce sebum production and fighting off acne producing bacteria. With a woody aroma, Tea Tree Essential Oil is best known for its healing powers and cleansing abilities. This essential oil is also used in many skincare products.



Oleoresins are a naturally occurring combination of oil and resin that can be extracted from plants. They are a highly concentrated substance that exists in liquid form. The extraction process begins with raw spices being cleaned and ground, then the spices’ oils is distilled using an organic solvent. Different plants require different methods of extraction; common ways to extract are through water (steam distillation), oil, and alcohol, and each can vary in the level of concentration they produce. The content can be controlled and fine-tuned through the use of various solvents and pressures.