The dark specks lodged on the nose and forehead are not dirt. They are clogs that look dark when sebum and keratin in open pores meet air. Squeezing them out by hand can make the surface look smoother for a while, but the risk of scars and dark marks rises. After you lock in cleansing, moisturizing, and sun protection, you add a medicine that reduces new clogs.
3-line summary
Blackheads look dark because sebum and keratin in open pores appear as oxidized lipid and pigment. Squeezing raises the risk of scars and dark marks.
Cleansing is up to twice a day, and after sweating; moisturizing and SPF 30 or higher with a label that does not clog pores are the base.
For clogs, a retinoid is the base, and salicylic acid is left as an alternative. Peeling is an in-clinic procedure and is given recovery time.
Clogs that look dark
When sebum and keratin collect at the pore opening, a clog forms. If the opening stays open and meets air, the contents look dark because of oxidized lipid and pigment; if the opening is closed, they remain as skin-colored or white bumps. These clogs form before they are visible.
In puberty, clogs gather easily on the forehead, nose, and chin. As sebum increases and keratin sticks at the opening, clogs grow, and if inflammation attaches they continue into red acne. Sebum amount and how large the openings look are assessed separately. The relationship between sebum and pores continues in the sebum and pores guide.
| What you see | Black dots | White bumps | Openings that look enlarged |
|---|---|---|---|
| Appearance | Black dots with an open entrance | Closed white bumps | Openings look large |
| What to do now | Cleansing and medicine, without squeezing | The same cleansing and medicine | Look at sebum and elasticity separately |
※ They often appear mixed on one face. For elasticity issues that make openings look large, see the pore care guide.
Lock in cleansing, moisturizing, and protection first
American Academy of Dermatology patient guidance says to cleanse twice a day—on waking and before bed—and after sweating. Apply a gentle cleanser with fingers in circular motions, rinse with lukewarm water, and pat dry with a towel. Washing many times a day or rubbing with a scrub irritates the skin and makes acne look more prominent.
Keep moisturizing even when sebum is high. The same guidance notes that when skin dries, more oil can come out and clog pores. Right after cleansing, apply a moisturizer labeled oil-free or does not clog pores to still-damp skin. Acne medicines dry the skin, so using a moisturizer with them makes them easier to tolerate.
For sun protection, choose SPF 30 or higher, broad-spectrum covering ultraviolet A and B, a water-resistant formula, and a label that does not clog pores. After acne medicine and peeling, skin is more vulnerable to sun, so cover up outdoors and reapply. Application order is the same as in the skincare routine order guide, and daily application is in the daily sunscreen use guide.
| Step | What to do | What to skip |
|---|---|---|
| Cleansing | Twice a day and after sweating, with fingers | Many times a day, scrubs, exfoliating mitts |
| Moisturizing | Right after cleansing, a label that does not clog pores | Skipping moisturizer when skin feels tight |
| Protection | Broad-spectrum SPF 30 or higher | Going out bare-faced after medicine or peeling |
Topical medicines that reduce clogs
Reducing new clogs with medicine comes before extracting visible dots. American Academy of Dermatology guidelines place retinoids and benzoyl peroxide as the base of acne care. Salicylic acid is left as an option in the same guidelines.
Retinoids are ingredients that come from vitamin A. They loosen the force that holds keratin together inside the pore, which reduces new clogs. If clogs are the main issue, start here. Apply a thin layer once a day, in the evening, to areas where they form easily.
Benzoyl peroxide is the other medicine the guidelines place as a base. Using only antibiotic ointment is not what the guidelines advise. Salicylic acid dissolves well in oil and lifts lipid between keratin cells, loosening clogs. When retinoids are hard to use, this ingredient is left as an alternative. How to adjust acid ingredients and retinol around procedures continues in the retinol and acid ingredients guide.
Allow 6~8 weeks before a change shows, and it usually takes 3~4 months for the face to look clearer. Changing products every week only piles up irritation.
In-clinic peeling is given recovery time
If clogs remain even with home care and topical medicines, in-clinic salicylic acid peeling is reviewed. It is a procedure that regulates and sheds the stratum corneum, so erythema, heavy flaking, crusts, and dryness are reported afterward, and pigment can also change. This peeling is not advised during pregnancy. Right afterward, keep sun protection and skip scrubs.
What to ask when explaining clogs
Writing down when they look dark and what you currently apply makes it easier to match the explanation.
- □ How often do you squeeze by hand or use pore strips?
- □ How many times a day do you cleanse, and do you use a scrub or an exfoliating mitt?
- □ Do your moisturizer and sunscreen have an oil-free label or a label that does not clog pores?
- □ Are you currently applying a retinoid, benzoyl peroxide, or salicylic acid?
- □ Are you planning a pregnancy, and can you keep sun protection after peeling?
Frequently asked questions
Q1. Is it okay to squeeze by hand?
Squeezing pushes sebum, keratin, and bacteria deeper, inflammation grows, and the risk of scars and dark marks rises. Removing them with pore strips is the same physical extraction.
Q2. If I have a lot of sebum, do I still need to moisturize?
Yes. When skin dries, more oil can come out and clog pores. Right after cleansing, apply a light formula labeled as not clogging pores.
Q3. Can I just dab the medicine on pimples?
Spread a thin layer over the area where they form easily—the forehead, nose, and chin if that is the area. Dabbing only on dots leaves the next clogs as they are.
Q4. Does peeling hurt?
There is stinging during the procedure, and erythema, heavy flaking, crusts, and dryness can follow. Pigment can also change, so keep sun protection right afterward.
Q5. Who postpones peeling?
Salicylic acid peeling is not advised during pregnancy. Days when the face currently stings and is red, or has crusts, also put recovery first.
Results, duration, and suitability vary with individual skin condition, age, and lifestyle, and the same outcome cannot be guaranteed.
Procedures may cause temporary redness or swelling, and contraindications may apply, so please confirm these during your consultation.
This article is general information and does not replace individual medical care. Please confirm diagnosis and treatment suited to your condition during a consultation.
Sources
- PMID 29083670 — Textbook-style overview of acne (NCBI Bookshelf). Verified scope: full text. Retraction and expression-of-concern fields blank. This is the basis for the description that black dots are oxidized lipid and pigment; that clogs form before they are visible; that they gather on the forehead, nose, and chin in puberty; that retinoids loosen keratin cohesion; and that salicylic acid is an alternative when retinoids are hard to use. The four pathogenic factors are written as ‘theoretically involved’.
- American Academy of Dermatology patient guidance: acne care tips — Verified scope: patient guidance full text. Cleansing twice a day and after sweating; gentle cleansing with fingers; scars and pigment from squeezing; SPF 30 or higher, broad-spectrum, a label that does not clog pores. The page discloses support from Ortho Dermatologics.
- American Academy of Dermatology patient guidance: habits that worsen acne — Verified scope: patient guidance full text. Cleansing many times a day and scrubs increase irritation; moisturize twice a day right after cleansing; medicine takes 6~8 weeks, and 3~4 months to look clearer; do not dab only on dots, spread over the area where they form easily. Same support disclosure.
- American Academy of Dermatology patient guidance: acne and moisturizing — Verified scope: patient guidance full text. oil-free and a label that does not clog pores; when skin dries, more oil can come out and clog pores; acne medicines dry the skin so moisturizer is used with them. Same support disclosure. The 4~8 week moisturizer trial figure was an observation that used medicine, cleansing, and moisturizer together, so it was not used in the article.
- PMID 38300170 — American Academy of Dermatology acne management guidelines. Verified scope: abstract. Strongly advises retinoids and benzoyl peroxide and leaves salicylic acid as conditional. Many authors have consulting or research-funding relationships with pharmaceutical companies. There is an April 2026 erratum, but the erratum content could not be opened in this environment, so only the recommendation sentences in the abstract were used. Retraction and expression-of-concern fields are blank.
- PMID 26347269 — Narrative review of salicylic acid peeling. Verified scope: abstract + PMC full text. Dissolves well in oil and lifts lipid between keratin cells; peeling used for acne; erythema, heavy flaking, crusts, dryness, pigment change, and rarely systemic absorption. This peeling is not advised during pregnancy. It is a narrative review and did not perform a new controlled trial.
Related reading
Sources
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