Skin Tags on the Neck and Underarms - Causes, Self-Removal Risks, and Dermatological Treatment
What Are Skin Tags?
Skin tags (acrochordons) are small, soft, flesh-colored or slightly darker growths that hang from the skin by a thin stalk (peduncle). They typically range from 1-5mm but can occasionally grow larger. Common locations include the neck, underarms, under the breasts, eyelids, and groin folds - areas where skin rubs against skin or clothing.
Skin tags are completely benign and pose no health risk. They never become cancerous. However, many people find them cosmetically bothersome, and they can occasionally catch on jewelry or clothing, causing irritation or minor bleeding.
Why Skin Tags Form
The exact mechanism is not fully understood, but several factors contribute to skin tag formation. Friction is the primary trigger - areas where skin folds rub together are most susceptible. This explains why skin tags are more common in people with higher body weight, during pregnancy (hormonal changes plus weight gain), and in areas where clothing creates friction.
Aging increases susceptibility. Skin tags become more common after age 30 and peak in frequency during the 40s-60s. Hormonal factors play a role, as evidenced by increased occurrence during pregnancy and in conditions like polycystic ovary syndrome. Insulin resistance and type 2 diabetes are also associated with higher skin tag prevalence.
Genetic predisposition exists - if your parents had numerous skin tags, you are more likely to develop them. HPV (human papillomavirus) has been detected in some skin tags, though its causal role remains debated.
Risks of Self-Removal
The internet offers numerous DIY removal methods: tying off with thread, cutting with scissors, applying apple cider vinegar, or using over-the-counter freezing kits. All carry significant risks that outweigh the cost savings of avoiding professional treatment.
Cutting risks include infection (non-sterile instruments), excessive bleeding (skin tags have blood supply through their stalk), scarring, and incomplete removal leading to regrowth. Tying off can cause pain, infection, and necrotic tissue if not done properly. Chemical methods risk burns to surrounding healthy skin.
Most importantly, self-diagnosis carries risk. What appears to be a skin tag could be a seborrheic keratosis, a mole, or rarely, a skin cancer. Professional evaluation ensures accurate diagnosis before removal.
Professional Treatment Options
Dermatologists offer several safe, quick removal methods. Cryotherapy (liquid nitrogen freezing) destroys the tissue in seconds with minimal discomfort. The tag falls off within 1-2 weeks. Electrocautery uses electrical current to burn the base, simultaneously removing and cauterizing. Surgical excision with sterile scissors or scalpel provides immediate removal with minimal bleeding.
Most procedures take under 5 minutes per tag, require no anesthesia for small tags (local anesthetic for larger ones), and heal within 1-2 weeks. Scarring is typically minimal or absent. Insurance coverage varies - cosmetic removal is usually not covered, but removal of irritated or symptomatic tags may be.
Prevention and Daily Care
Daily skincare habits that prevent skin aging also indirectly help prevent skin tags by maintaining skin health and elasticity. Reducing friction through well-fitting clothing, keeping skin folds dry, and maintaining a healthy weight all reduce new tag formation.
Basic skincare fundamentals support overall skin health. Use moisturizer to reduce friction between skin surfaces. (Proper skincare basics also contribute to maintaining skin health.) Powder in skin folds during hot weather reduces moisture and friction. Weight management, if applicable, reduces the skin-on-skin contact that triggers tag formation.
Accepting age-related skin changes while addressing those that genuinely bother you is a balanced approach. Not every skin tag needs removal - only those that cause physical discomfort or significant cosmetic concern warrant treatment.