Skincare Guide · Acne & Pores
How to Get Rid of Blackheads (and Keep Them Away)
True blackheads are oxidized sebum plugs in open follicles. You cannot permanently eliminate them, but consistent use of salicylic acid (BHA) and retinoids keeps them visibly clear for most people. A 28-day RCT found a 55% reduction in open comedones with a salicylic acid cleanser.1 Squeezing does more harm than good. The goal is management, not a cure.
Blackheads have an unfair reputation as a hygiene problem. They are not. They form in follicles that produce more sebum than can exit cleanly, and once that sebum oxidizes at the surface it turns dark. The right routine can keep pores reliably clear, but anyone promising permanent removal is overselling. Here is what the evidence actually says.
Contents
01What blackheads actually are
A blackhead is an open comedone: a pore whose opening has dilated enough that the sebum and dead cell material inside it is exposed to air. That exposure triggers oxidation of the lipids and melanin in the plug, turning it dark brown or black. The color is not dirt, and washing harder does not remove it.
The medical name for the process is retention hyperkeratosis. When dead skin cells do not shed normally from the follicular lining, they accumulate with sebum and form a plug. In an open comedone, the follicular orifice stays open, so the top of the plug oxidizes. In a closed comedone (whitehead), the orifice is sealed, so the plug stays white or skin-toned.
The dark color comes from oxidation, not from being dirty. Aggressive scrubbing irritates the skin without addressing the sebum and keratin buildup at the root of the problem.
Blackheads occur most often on the nose, forehead, and chin, where sebaceous gland density is highest. They can also appear on the back, chest, and shoulders for the same reason. They are extremely common: open comedones are one of the defining lesion types in acne-prone skin, appearing across all ages and skin types.
02Blackheads vs sebaceous filaments
Before committing to a treatment plan, it is worth checking whether what you are seeing is actually a blackhead. The most common confusion is with sebaceous filaments, and treating them as blackheads will damage your skin barrier without any benefit.
Sebaceous filaments are thin grey or cream-coloured tubes that line every hair follicle on the nose. They are a normal, permanent feature of sebaceous skin. They look like a field of tiny dots when the nose is pressed flat. They cannot be eliminated; even after extraction, they refill within days. Trying to strip them repeatedly stretches the follicle opening and can worsen their appearance over time.
True blackheads are wider, more clearly dark (brown or black rather than grey), and represent a genuinely blocked pore. They are often elevated slightly at the surface and are less uniform in distribution than sebaceous filaments.
If you are unsure which you are dealing with, the sebaceous filaments vs blackheads guide goes deeper on the distinction with a full visual and behavioral breakdown.
Most of the dots on the nose are sebaceous filaments, not blackheads. Over-treating them with pore strips or aggressive BHA damages the barrier and achieves nothing lasting.
03What causes blackheads
Several factors converge to create the right conditions for open comedones:
- High sebum production. Androgenic hormones drive the sebaceous glands. More sebum means more raw material to fill and eventually overflow the follicle.
- Abnormal follicular keratinization. When cells lining the follicle shed too slowly, they mix with sebum and create a plug. Retinoids address this directly by normalizing cell turnover.
- Pore size. Genetics determine baseline pore diameter. Larger pores are more visible and accumulate plugs more quickly. Pore size is not something topicals can meaningfully change, though reducing their contents makes them appear smaller.
- Humidity and occlusion. Heavy occlusive moisturizers and certain makeup formulations can accelerate follicular filling. Non-comedogenic formulations matter on oily skin.
- Diet (limited evidence). High glycaemic load diets and dairy consumption have been linked to acne in some research, but the evidence for comedone-specific effects is weaker. Worth noting, not worth obsessing over.
Hormonal fluctuations, including those during puberty, the menstrual cycle, and periods of high stress, amplify sebum production and make blackhead formation more likely.
04The ingredients that work
Salicylic acid (BHA)
Salicylic acid is the most evidence-backed over-the-counter ingredient for blackheads specifically. Its key property is lipophilicity: unlike alpha hydroxy acids, it can dissolve into the sebum inside the follicle and work on the plug from within, not just at the skin surface.2 It also functions as a desmolytic agent, disrupting the bonds between dead cells lining the follicle wall to prevent plugging.3
A 1989 crossover study found that the only group to achieve significant comedone reduction was the salicylic acid group, with the benzoyl peroxide group showing no meaningful change in non-inflammatory lesions.4 More recently, a 28-day RCT using a 2% salicylic acid plus ceramide amino acid cleanser reported open comedone counts falling by 55.41% and hydration improving by 24%.1 The Cochrane systematic review of topical agents found salicylic acid roughly equivalent to tretinoin for comedonal outcomes, though the quality of evidence was rated low-to-very-low due to trial heterogeneity.5
For daily use, 0.5% to 2% is the standard OTC range. Higher concentrations (20% to 30%) are used in professional chemical peels and are not appropriate for unsupervised home use.
Retinoids
Retinoids (retinol, retinaldehyde, and prescription tretinoin) address the root cause of comedonal acne: abnormal follicular keratinization. They normalize the rate at which follicular cells shed, preventing the pile-up that creates the plug. They are the first-line prescription treatment for comedonal acne according to AAD guidelines.6
An 8-week combination study using retinol, salicylic acid, glycolic acid, and niacinamide found total acne lesion counts fell by 57% at week 4 and 80% at week 8.7 Retinoids require patience: most users see meaningful change only after 8 to 12 weeks of consistent use. Initial purging (a temporary increase in breakouts as cell turnover accelerates) is common in the first 2 to 4 weeks. MAXXING's Smooth Criminal retinol serum is formulated for gradual, tolerability-first introduction.
Niacinamide
Niacinamide (vitamin B3) supports blackhead prevention through a different mechanism: reducing sebum excretion. Less sebum entering the follicle means less material to oxidize into a blackhead. It does not dissolve existing plugs the way BHA does, so it is best thought of as a maintenance and prevention ingredient rather than an acute treatment.
See the niacinamide for oily skin guide for the full breakdown of the sebum research.
05Building a routine that actually works
No single product is enough. Blackhead management works when the routine addresses all three parts of the problem: clearing existing plugs, normalizing cell turnover, and reducing the rate of re-filling. Here is a practical structure:
Morning: Gentle cleanser, niacinamide serum (supports oil control throughout the day), SPF. Retinoids cause photosensitivity, so morning is not the time for them.
Evening: Gentle cleanser, BHA toner or serum (2% salicylic acid, 3 to 4 times per week if starting out, daily once tolerated), retinol (2 to 3 times per week on nights without BHA, or nightly once tolerance is established). Moisturizer over both.
A few notes on layering:
- BHA and retinoids can be used on the same night by experienced users, but those new to either should alternate to manage dryness and irritation.
- Niacinamide is compatible with both BHA and retinoids and can be layered on the same evening.
- Always follow any retinoid with a moisturizer to offset barrier disruption during the adjustment period.
- Non-comedogenic formulations matter for moisturizers and sunscreens, particularly on the nose and forehead.
Consistency beats intensity. A 2% BHA used 4 nights a week for 8 weeks outperforms a 30% peel used once. The follicle refills continuously, so the routine has to be continuous too.
06Approaches at a glance
| Approach | Mechanism | Onset | Maintenance required | Notes |
|---|---|---|---|---|
| BHA (salicylic acid, daily) | Dissolves sebum plug from inside the follicle; desmolytic action on follicle lining | 4-8 weeks | Ongoing | Best evidence for non-inflammatory lesions; well tolerated at 2% |
| Retinoids (OTC retinol or prescription tretinoin) | Normalizes follicular keratinization; prevents plug formation | 8-12 weeks | Ongoing | First-line for comedonal acne per AAD; initial purging is common |
| Niacinamide serum | Reduces sebum excretion rate; less raw material for new blackheads | 4-6 weeks | Ongoing | Prevention-focused; does not clear existing plugs |
| Professional chemical peel (BHA 20-30%) | Deep exfoliation and keratolysis; clears existing comedones quickly | 1-2 sessions | Ongoing topicals still needed | Effective for faster clearance; does not replace a daily routine |
| Professional extraction | Mechanical removal of existing plugs | Immediate | Repeating sessions needed | Best done by licensed esthetician; plugs return without topical maintenance |
| Pore strips | Adhesive physically removes top portion of plug | Immediate, cosmetic | Frequent repetition needed | No effect on underlying sebum production; can over-stretch follicle |
07Why squeezing backfires
The impulse to squeeze is understandable. A blackhead is right there, visible, and feels like it should just pop out. The problem is what happens to the follicle when you do it without proper technique:
- Rupture risk. Uneven pressure can break the follicle wall beneath the surface, releasing debris into surrounding skin and triggering an inflammatory response. An open comedone (no inflammation) can become an inflamed papule or pustule within hours.
- Post-inflammatory hyperpigmentation. Even without full rupture, trauma to the skin triggers melanin deposition. Dark marks after squeezing are common, especially on deeper skin tones.
- Scarring. Repeated trauma to the same follicle can cause permanent textural changes.
- Bacteria transfer. Hands and fingernails are not sterile. Introducing bacteria into a compromised follicle raises infection risk.
If you want existing blackheads removed faster than topicals can manage, a visit to a licensed esthetician is a better option. Professional extraction uses sterile tools after softening the follicle contents with steam, which is meaningfully safer than the bathroom mirror approach.
08Niacinamide, zinc, and the oil-control angle
Oil control matters to blackhead management because sebum is the primary raw material. An ingredient that reduces how much sebum enters the follicle is doing real prevention work, even if it does not feel as dramatic as a BHA dissolving an existing plug.
Niacinamide has the best-documented OTC evidence here. A pair of RCTs covering 130 subjects found that 2% niacinamide significantly reduced sebum excretion rate over 4 to 6 weeks compared to vehicle, in both Japanese and Caucasian subjects.8 The mechanism appears to involve reduced fatty acid and triglyceride production in the sebaceous gland, though it is not fully characterized.
Zinc is another ingredient with sebum-modulating properties. In a 2025 Delphi consensus of cosmetic dermatologists, niacinamide and zinc were among the most frequently recommended ingredients for oily, large-pore skin.9
MAXXING's Clear Dominance serum combines niacinamide and zinc in a lightweight daily formula. It does not clear existing blackheads on its own. What it supports is the oil-control side of the picture: less sebum produced daily means pores are slower to re-fill after a BHA clears them. Use it as part of a complete routine, not as a standalone treatment.
A 2026 RCT using a combination serum with 0.2% salicylic acid and 2% niacinamide found that inflammatory lesion counts fell significantly over 8 weeks alongside improvements in pore appearance, which suggests the two work well together.10
09A realistic timeline
Managing expectations here is important, because most people either give up too early or escalate unnecessarily when they do not see instant results.
Weeks 1 to 2: Skin adjusts to new actives. Some initial dryness or mild purging is possible, particularly with retinoids. No visible change in existing blackheads yet.
Weeks 3 to 4: BHA starts to soften and loosen existing plugs. Some blackheads may be easier to clear with light cleansing pressure. Sebum production may begin to reduce with consistent niacinamide use.
Weeks 5 to 8: Meaningful reduction in visible open comedones for most people. The 28-day RCT data showing 55% comedone reduction1 aligns with what most consistent users report experiencing. Pore appearance typically improves as contents reduce.
Months 3 to 6: Retinoid effects on follicular keratinization become visible. New blackhead formation slows meaningfully. Skin texture overall tends to improve as cell turnover normalizes.
Ongoing: Stopping the routine will result in blackheads returning, typically within 4 to 8 weeks. The routine is not a cure; it is ongoing management. Most people find a simplified maintenance routine (3 to 4 BHA applications per week, retinoid 2 to 3 nights per week) is enough to keep things clear once the initial backlog is cleared.
If you have not seen improvement after 12 weeks of consistent BHA plus retinoid use, that is a reasonable trigger to see a dermatologist. Prescription-strength retinoids (tretinoin, adapalene) are significantly more potent than OTC retinol and are often the right next step for persistent comedonal acne.
10Frequently asked questions
No. Blackheads form in pores that are part of your anatomy. The goal is long-term management, not permanent removal. With a consistent routine using BHA and retinoids you can keep pores clear enough that they are rarely visible, but stopping the routine means they return. Professional extractions and peels clear existing ones faster, but they come back without ongoing maintenance.
Dermatologists recommend against it. Squeezing can push debris deeper into the follicle, rupture the follicle wall, trigger inflammation, and cause post-inflammatory hyperpigmentation or scarring. If you want extractions done, a licensed esthetician using proper technique after steaming is safer than home squeezing. Topical BHA is a more reliable and far less damaging alternative over time.
Salicylic acid (BHA) is the most evidence-backed OTC option specifically for blackheads. Its lipophilicity allows it to penetrate into sebaceous follicles and dissolve the sebum plug. Retinoids are similarly effective and additionally support cell turnover. Niacinamide supports by reducing sebum excretion rate, which means less raw material for new blackheads to form.
Pore strips physically remove the top portion of a blackhead plug, giving an immediate visual result. They do not address the sebum production that fills the pore back up, so the effect is short-lived. Used too frequently, the adhesive can also irritate and stretch the pore. They are not a treatment plan, just a cosmetic fix.
With consistent use of 2% salicylic acid, most people see a meaningful reduction in open comedones within 4 to 8 weeks. A 28-day RCT reported a 55% reduction in open comedones with a salicylic acid plus ceramide cleanser.1 Retinoids typically require 8 to 12 weeks for visible change. Consistency matters far more than any single product choice.
No, and confusing the two leads to over-treating normal skin. Sebaceous filaments are thin, pale grey or cream-coloured tubes of sebum that line every hair follicle on the nose. They are a normal part of skin anatomy. True blackheads are wider, darker (oxidized, not dirty), and are an actual clogged pore. Trying to eliminate sebaceous filaments damages the skin barrier and they refill within days regardless. See the full breakdown in the sebaceous filaments vs blackheads guide.
Indirectly, yes. Niacinamide supports lower sebum excretion, which is one of the root drivers of blackhead formation. A 2006 RCT found 2% niacinamide significantly reduced sebum excretion rate over 4 to 6 weeks.8 Less sebum means pores are less likely to overfill and oxidize. It does not dissolve existing plugs the way BHA does, but as part of a routine it supports prevention.
The nose has a high density of large sebaceous glands relative to its surface area, which is why it is the most common site. Androgen activity drives those glands to produce more sebum. Combined with slightly thicker, more porous skin structure in that area, the conditions for follicular plugging are almost always present. This is also why sebaceous filaments are most visible on the nose, even on otherwise clear skin.
There is no overnight fix, but you can accelerate results. A 2% salicylic acid cleanser used twice daily dissolves the sebum plug from within the pore and is the fastest OTC approach. For a quicker physical clear-out, a professional extraction by a licensed esthetician after steaming is far safer than squeezing at home. Expect a few days of improvement from extractions, then several weeks of consistent BHA use to keep results holding.
Rarely on their own. An open comedone sits exposed to air and oxidizes darker over time rather than resolving the way a closed whitehead can. Without something dissolving the plug (BHA) or accelerating cell turnover (retinoids), the pore stays blocked. Hormonal shifts, diet changes, or reduced oil production with age can lower the rate of new ones forming, but existing blackheads generally need active intervention to clear.
Salicylic acid is the go-to: it is oil-soluble, penetrates into the sebaceous follicle, and breaks down the compacted sebum. Retinoids support by speeding up the skin cell cycle, which loosens the debris sitting deeper in the pore. Steam or a warm compress before a professional extraction softens the plug and makes removal easier. For persistent deep-seated comedones, a dermatologist can perform a salicylic acid peel or prescribe stronger retinoids.
References
- Li Y et al. Improvement of overall skin condition in acne and oily prone skin with an amino acid cleanser containing salicylic acid, glucuronolactone, and ceramides. Journal of Cosmetic Dermatology. 2026;jocd.70759. PMC12945871
- Seidler EM, Kimball AB. Salicylic acid as a peeling agent: a comprehensive review. Clinical, Cosmetic and Investigational Dermatology. 2015;8:455-461. PMC4554394
- Araviiskaia E, Dréno B. A comprehensive bibliographic review concerning the efficacy of organic acids for chemical peels treating acne vulgaris. Molecules. 2023;28(20):7219. PMC10608815
- Kligman AM. Comparison of a salicylic acid cleanser and a benzoyl peroxide wash in the treatment of acne vulgaris. Clinical Therapeutics. 1989;11(2):264-267. PMID 2525420
- Barbieri JS et al. Topical azelaic acid, salicylic acid, nicotinamide, sulphur, zinc and fruit acid (alpha-hydroxy acid) for acne. Cochrane Database of Systematic Reviews. 2020;(5):CD011368. PMID 32356369
- Zaenglein AL et al. Guidelines of care for the management of acne vulgaris. Journal of the American Academy of Dermatology. 2024;90(5):1006-1073. PMID 38300170
- Draelos ZD et al. Efficacy and safety of a new topical gel formulation containing retinol, SA, glycolic acid, niacinamide for the treatment of mild acne. G Ital Dermatol Venereol. 2020;155(5):619-624. PMID 32869963
- Fluhr JW et al. The effect of 2% niacinamide on facial sebum production. Journal of Cosmetic Laser Therapy. 2006;8(2):96-101. PMID 16766489
- Del Rosso JQ et al. Skincare ingredients recommended by cosmetic dermatologists: a Delphi consensus study. Journal of the American Academy of Dermatology. 2025. PMID 40233838
- Grajqevci-Kotori M et al. Evaluation of a dermocosmetic serum containing a multi-acid complex and niacinamide in Japanese women with mild acne. The Journal of Clinical and Aesthetic Dermatology. 2025. PMC12007656
