Other terms
- SaMDs (software as a medical device)
- Scabies
- SCC (Squamous Cell Carcinoma)
- Scleroderma
- SCORAD Assessment
- Screening Log
- Screening Process
- Sebaceous Gland
- Sebaceous Hyperplasia
- Seborrheic Dermatitis
- Sequencing
- Short Bowel Syndrome
Salicylic Acid
What is Salicylic Acid? Salicylic acid is a chemical exfoliator that falls under the category of keratolytic agents, substances that dissolve or loosen skin flakes. Chemically related to aspirin (acetylsalicylic acid), it is obtained either synthetically or naturally from the bark of the white willow tree and the leaves of the wintergreen shrub. Generally applied topically, salicylic acid softens and dissolves the keratin protein that holds skin flakes together. It is available in various formulations, such as facial cleansers, lotions, creams, ointments, shampoos, and medicated pads, with concentrations ranging from 0.5% to 30%.
Clinical Applications
Salicylic acid serves multiple functions in skincare and dermatological treatments:
- Acne and Blackheads: Salicylic acid unclogs pores and reduces redness, effectively treating acne and blackheads.
- Warts, Corns, and Calluses: It aids in softening and dissolving keratin protein, facilitating the removal of warts, corns, and calluses.
- Psoriasis and Seborrheic Dermatitis: Used in lotions and shampoos, it treats symptoms of psoriasis and seborrheic dermatitis by reducing flakiness and inflammation.
- Anti-Aging: It helps reduce fine lines and wrinkles by stimulating the shedding of dead skin cells.
- Skin Resurfacing: Higher concentrations are effective for smoothing and resurfacing skin peels.
Risks & Benefits
While salicylic acid is considered generally safe for various clinical applications, it can have side effects, which include:
- Irritation: Users may experience redness, dryness, and peeling, especially when starting use.
- Photosensitivity: Increased sensitivity to sunlight necessitates the use of sunscreen.
These side effects are usually temporary and resolve on their own. Starting with lower concentrations and gradually increasing as the skin adapts can mitigate risks.
Source: https://www.verywellhealth.com/salicylic-acid-7501708
