Milady Esthetics State Board Practice Test

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What is a natural source of salicylic acid?

Chamomile
Sweet birch
Lavender
Aloe vera

The correct answer is: Sweet birch

Salicylic acid is a naturally occurring compound that has anti-inflammatory and antiseptic properties, making it particularly beneficial in treating acne and other skin conditions. The correct choice is sweet birch, which is a tree known for its bark that contains significant amounts of salicylic acid. Historically, the sap and bark of sweet birch have been used in traditional medicine for their therapeutic properties, including the treatment of skin ailments. In contrast, while chamomile, lavender, and aloe vera are known for their soothing and healing properties, they do not contain salicylic acid in notable amounts. Chamomile is primarily used for its calming effects and to reduce irritation; lavender is valued for its antiseptic and soothing properties; and aloe vera is recognized for its hydrating and healing capabilities, particularly for sunburns. These natural sources may have other beneficial compounds but are not recognized as sources of salicylic acid like sweet birch is.