What the Bump is This? A Guide to Commonly Misclassified Skin Bumps and How to Treat Them
- Chana Collins
- 4 days ago
- 3 min read
We’ve all been there, you wake up, look in the mirror, and notice a new bump on your skin. Your first thought? "Is it acne? A rash? Am I allergic to something?" The truth is, not every bump is a pimple, and misclassifying them can lead to using the wrong treatments, making things worse. This guide will help clear up the confusion and ensure you properly identify those pesky bumps and treat them correctly!

1. Milia
Commonly Misclassified As: Whiteheads
Milia are tiny, hard white bumps that often appear around the eyes, cheeks, and forehead. They are small cysts filled with keratin (a protein found in skin).
How to Treat It:
● Extractions by an esthetician are the best treatment.
● At home, retinol and gentle exfoliation with ingredients like glycolic acid can help prevent them.
What to Avoid:
● Picking or trying to pop them—this won’t work and can cause scarring. ● Heavy, occlusive skincare products that can trap keratin.
2. Keratosis Pilaris (KP)
Commonly Misclassified As: Acne or Dry Skin
KP, also called "chicken skin," is a common condition that causes rough, bumpy patches, usually on the arms, thighs, or cheeks. It’s caused by a buildup of keratin blocking hair follicles.
How to Treat It:
● Use gentle physical exfoliation or chemical exfoliating lotions with alpha hydroxy acids.
● Moisturize with ceramide-rich creams to keep skin smooth.
What to Avoid:
● Over-exfoliating, which can cause irritation and make KP worse.
● Harsh scrubbing or loofahs that can lead to redness and inflammation.
3. Fungal Acne
Commonly Misclassified As: Traditional Acne (Bacterial Acne)
Fungal acne (also called Malassezia folliculitis) appears as clusters of small, itchy bumps on the forehead, chest, or back. It is caused by yeast overgrowth, not bacteria.
How to Treat It:
● Use antifungal treatments like ketoconazole shampoo as a face or body wash. ● Avoid heavy, oil-based moisturizers.
What to Avoid:
● Traditional acne treatments like benzoyl peroxide, which won’t help and may worsen the condition.
● Sweating in tight clothing for long periods, as yeast thrives in warm, humid environments.
4. Sebaceous Hyperplasia
Commonly Misclassified As: Pimples or Blackheads
Sebaceous hyperplasia occurs when oil glands become enlarged, leading to small, soft, flesh-colored or yellow bumps with a dimple in the center.
How to Treat It:
● Look for products with retinol or niacinamide to help regulate oil production.
● In-office treatments like electrocautery or laser therapy can also remove them.
What to Avoid:
● Attempting to pop or squeeze them, as they are not clogged pores.
● Heavy oils that can further enlarge the sebaceous glands.
5. Trichostasis Spinulosa
Commonly Misclassified As: Blackheads
Trichostasis Spinulosa looks like tiny blackheads but is actually multiple vellus hairs trapped in a single follicle. It commonly appears on the nose, cheeks, or upper arms.
How to Treat It:
● Exfoliate regularly with salicylic acid.
● Consider professional treatments like dermaplaning or extractions to remove trapped hairs.
What to Avoid:
● Over-exfoliation, which can lead to irritation and dryness.
● Ignoring it, as it may worsen if not properly managed.
6. Sebaceous Filaments
Commonly Misclassified As: Blackheads
Sebaceous filaments are tiny, grayish or yellowish dots commonly found on the nose and chin. They are natural oil formations that help regulate skin hydration. They can’t truly be "removed," but they can be minimized in appearance.
How to Treat It:
● Try salicylic acid to help keep the pores clean and clear and regulate sebum production.
● Niacinamide, clay masks, and gentle exfoliation are also helpful to reduce their visibility.
What to Avoid:
● Harsh squeezing or extraction, which can damage the pore.
● Over-drying skincare products that can lead to increased oil production.
Final Thoughts
Next time you spot a new bump, don’t panic! Understanding what it is will help you treat it correctly. When in doubt, visit a licensed esthetician or dermatologist to make sure you're using the right products. Proper care and the right ingredients can make all the difference in achieving smooth, healthy skin!
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