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Essential oils are a natural alternative for treating mature acne and scars. It is important to know how to use essential oils and know the properties they possess before you use them. Dilute essential oils in a carrier oil, such as grape seed, sunflower or apricot oil, before applying to the skin. Used correctly, essential oils can help in conditions such as mature acne and scars.

Helichrysum Essential Oil

Helichrysum is one of the best essential oils for the treatment of both acne and scars; although an expensive essential oil, for those who suffer from mature acne and scars, it is perhaps worth the cost.

Lavender Essential Oil

Lavender is one of the best all-round essential oils, according to Shirley Price in her book "Aromatherapy for Women." Lavender oil is gentle, inexpensive and effective. Lavender essential oil can be used to treat acne, scars and most skin conditions; it can be applied neat to the skin, in small quantities, if used with care.

Neroli Essential Oil

Neroli is an effective essential oil in the treatment of both scars and mature skin, according to Julia Lawless in her book "The Illustrated Encyclopedia of Essential Oils." Neroli is an expensive essential oil, so it may be worth trying an alternative essential oil before buying neroli oil for the treatment of mature acne and scars. Use neroli in a carrier oil base, such as apricot or sunflower oil.

Clary Sage Essential Oil

Clary sage is useful in the treatment of both mature skin and acne. Do not use clary sage essential oil if you're pregnant and dilute it in a carrier oil base before using. It is a favorite oil for women, as it useful for many skin conditions.

Roman Chamomile Essential Oil

Roman chamomile is another gentle essential oil, effective in the use of acne and other skin conditions, according to Lawless. It is a relatively expensive essential oil. It is has similar qualities to German chamomile essential oil. Dilute in a carrier oil before use.

Sandalwood Essential Oil

Sandalwood is useful in the treatment of acne, mature, dry skin and scars. It is another expensive oil, but is often worth the cost. It is a base note essential oil. Dilute it in a carrier oil.

Mandarin Essential Oil

Mandarin (sometimes referred to as tangerine) is a light, uplifting essential oil, suitable for treating both acne and scars. It may be phototoxic, so use with care in sunlight; use mandarin in a carrier oil base.

Frankincense Essential Oil

Frankincense is suitable for the treatment of scars and mature skin; it is a similar base note oil to sandalwood in its treatment of mature acne and scars. Dilute in a carrier oil base before using.

Tea Tree Essential Oil

Tea tree is known for its antiseptic properties, by many aromatherapists, including Lawless. It is useful in treating acne and for healing; a native Australian oil, tea tree is a standard oil in worldwide essential oil first aid kits. Combine tea tree with a base carrier oil before use.

Carrot Seed Essential Oil

Not to be confused with carrot carrier oil, carrot seed essential oil is taken from the carrot plant, which is high in vitamin C and other vitamins. Carrot seed is useful for treating both scars and mature skin. Dilute carrot oil in a carrier oil base before using.