Skip to content

What Actually Causes Blackheads And Oily Skin In Melanin-Rich Complexions

  • Joanna 
Black woman looking in the mirror while washing her face in a clean minimalist bathroom

For an embarrassingly long stretch of my life I assumed the black in a blackhead was dirt. It seemed obvious. You scrub, it should come off, and when it did not come off I assumed I had not scrubbed hard enough — which is exactly the wrong conclusion, and the reason most attempts to remove blackheads end with skin that is redder and no clearer.

It is not dirt. What is in there is your own oil and your own dead skin cells, and the colour comes from what happens to that plug once it is open to the air. Once you know that, most of the standard advice starts to look a bit odd, and the advice aimed at deeper complexions starts to look thin.

Key takeaways

  • A blackhead is an open comedone — a follicle plugged with sebum and dead skin cells, not with dirt.
  • Scrubbing harder to remove blackheads tends to irritate the skin, and on deeper complexions irritation is what leaves marks.
  • Oily skin still needs moisturising. Stripping it does not switch the oil off.
  • Dark marks left after spots are extremely common on melanin-rich skin and take months, not days, to fade.

What a blackhead actually is

Every pore is the opening of a hair follicle with an oil gland attached. That gland produces sebum, which travels up and out. When the exit gets blocked with a mix of sebum and dead skin cells, you get a comedone.

If the blockage stays closed at the surface it is a whitehead. If it sits open, exposed to the air, it darkens — and that is a blackhead. Same plug, different lid.

Jostylin Naturals organic grewia mollis (tideje) root bark and powder
Tideje bark, which turns slippery in water. A washing material rather than a treatment.

Shop the tideje bark

The Cleveland Clinic’s page on blackheads is clear that the dark colour is not dirt. It lists the actual drivers as increased sebum production, abnormal keratin formation, hormones — androgens in particular — and the bacteria involved in acne. Not one of those is about cleanliness. That matters because the shame attached to blackheads is entirely misplaced. People scrub their faces raw over something that is largely down to how much oil their glands produce and how their skin sheds cells. Both of those are set well below the surface, where a flannel cannot reach.

Blackheads turn up most on the nose and chin, sometimes the cheeks, and also on the neck, back and chest — the places with the densest oil glands. If you have them across your nose and nowhere else, that is not a hygiene pattern. That is an anatomy pattern. They also sit within the wider picture of acne, which DermNet’s overview of acne vulgaris describes as centred on the pilosebaceous unit — the follicle and its oil gland together. Open and closed comedones are the mildest end of that spectrum. It is the same machinery, behaving in a milder way.

Why oily skin and blackheads travel together

More sebum means more raw material for a plug. That is the whole of the relationship, and it explains why the two complaints usually arrive in the same sentence.

What surprises people is that stripping the oil away does not reduce it. Sebum production is driven by hormones, not by what you last washed with, so a harsh cleanser leaves you with the same output and a damaged surface on top of it. The skin feels tight, then greasy again by mid-afternoon, and the usual response is to wash more.

There is a second reason to be careful here, and it is specific to this audience. Melanated skin marks readily after any inflammation, so a routine that keeps the skin mildly irritated is a routine that keeps producing dark patches. The oiliness is cosmetic; the marks are what people actually end up upset about.

Oily skin still wants moisturising, which sounds contradictory until you separate oil from water. Skin can be producing plenty of sebum and still be dehydrated, and a light moisturiser over damp skin addresses that without adding to the plug problem.

Texture is worth thinking about when you choose. A dense, heavy oil is a poor match for skin that is already producing a lot of its own — raw batana oil is a good example of something better suited to dry skin and dry ends than to an oily face. I went into the general question of heavy oils and reactive skin in Is Batana Oil Good for Eczema.

More than just hair

Subscribe for honest conversations, practical tips, and inspiration centered on Afro and textured hair. From understanding your curls and coils to protective styling, length retention, scalp care, wash-day routines, and finding products that work for your hair. You’ll also find simple wellness ideas that support healthy hair from the inside out. Join 2,000+ readers—unsubscribe in one click whenever.

No spam, ever. We’ll never share your email.

How people remove blackheads, and what does not work

Let me be plain about my standing here. I sell cosmetic materials, not treatments, and persistent or inflamed acne is a dermatologist’s job — they have options I do not and cannot discuss usefully. What follows is a neutral account of what is out there.

Over the counter, the ingredients most often used to remove blackheads are salicylic acid, azelaic acid, benzoyl peroxide and retinoids. Cleveland Clinic lists all four, alongside professional options such as prescription-strength retinoids, chemical peels, microdermabrasion and laser resurfacing. Which of those suits any given face is a question for somebody qualified to look at it.

What reliably does not work is force. Pore strips pull out the top of the plug and leave the rest, so the blackhead refills within days. Squeezing does the same thing while adding trauma, and trauma on melanated skin is how a blackhead becomes a dark mark that outlasts it by a year.

Scrubs are the other well-meaning mistake. Physical exfoliation feels productive because you can feel it, but a gritty scrub abrades the surface without touching what is inside the follicle. The sensation of doing something is not the same as the thing being done.

If you have deeper skin, one more note on the professional options. Peels and lasers carry more risk of pigment change on melanin-rich complexions, so the question to ask a clinic is not whether they offer the treatment but how much experience they have with skin like yours. Anyone who brushes that off has answered you.

The marks left behind, which are the real complaint

Ask most people with deeper skin what bothers them about spots and they will not say the spots. They will say the flat brown patches left where the spots used to be, which are still visible months later.

That is post-inflammatory hyperpigmentation, and it happens because inflammation prompts the skin to make extra melanin at that spot. It is not scarring, the texture is normal, and it does fade — slowly. The AAD’s guidance on fading dark spots in darker skin tones gives six to twelve months for a mark a few shades darker than your skin, and longer for deeper ones.

Six to twelve months is the number nobody selling anything wants to print. It is worth holding onto, because it is the yardstick against which every four-week promise should be measured.

The AAD’s own suggestions run to azelaic acid, glycolic acid, kojic acid, retinoids and vitamin C, plus daily sun protection — it specifically mentions tinted sunscreen containing iron oxide, which is also the formulation that tends to avoid the white cast problem. It also says to stop using anything that stings or burns, because the irritation feeds the very thing you are trying to fade.

And a warning worth repeating loudly: the AAD says never to use liquid bleach on skin, and to avoid products containing undisclosed steroids or mercury, which can do permanent damage. Skin-lightening products sold informally are a real risk, and people reach for them for understandable reasons — the harm is in the products, not the people using them.

A simple routine, and where tideje bark fits

Nothing I sell treats acne, fades a mark or clears a pore, and I am not going to imply otherwise. What cosmetic materials do is the ordinary work around the edges — washing, softening, keeping skin comfortable — and for oily skin the useful principle is gentleness rather than force. A mild cleanser with warm rather than hot water, once or twice a day. A light moisturiser while the skin is still damp. Sunscreen, because sun deepens existing marks. That is genuinely most of it.

Grewia mollis — tideje — is the bark I keep coming back to for washing rather than for treating. It is a member of the mallow family, Malvaceae, growing as a slow, often multi-stemmed shrub or small tree, and Useful Tropical Plants records it across tropical Africa from Sierra Leone to Somalia and south to Angola and Zambia.

Soak the bark or the milled powder and it turns slippery and mucilaginous, closer to a loose gel than a liquid. That slip is the entire point — it lets you wash without dragging at the skin, which is exactly what you want on a face that marks easily. Its stems have long been used as sponge-like material for washing in the regions where it grows. If your skin is painful, spreading, cystic or simply not improving, none of the above is the answer. That is the point at which a GP or dermatologist is the sensible next step, and going early costs you less than going late.

Frequently asked questions

What actually causes blackheads?

A follicle blocked by a mix of sebum and dead skin cells. Cleveland Clinic lists the main drivers as increased oil production, abnormal keratin formation, androgen hormones and acne-related bacteria. None of them is dirt or poor washing. When that plug sits open at the surface rather than closed, it darkens, and that is what you are looking at.

Are blackheads caused by dirt?

No, and this is the most useful thing to unlearn. The contents are your own oil and dead skin cells, and the dark appearance comes from the plug being open to the air rather than from grime sitting on your face. Washing more often will not shift them, and washing harder tends to leave the skin irritated, which on deeper complexions creates its own problem.

Do pore strips remove blackheads for good?

No. A strip pulls off the exposed top of the plug, which is satisfying to look at, but the rest stays in the follicle and refills within days. Nothing about the strip changes how much sebum you produce or how your skin sheds cells, so the cycle simply restarts. Repeated use mostly adds irritation.

Why do blackheads leave dark marks on darker skin?

Because inflammation prompts melanated skin to produce extra pigment at that site — post-inflammatory hyperpigmentation. Squeezing, scrubbing and harsh products all count as inflammation. The AAD puts fading at roughly six to twelve months for a mark a few shades darker than your skin, which is why avoiding the trauma in the first place beats treating the mark afterwards.

Does oily skin still need a moisturiser?

Yes. Oil and water are different things, and skin can produce plenty of sebum while still being dehydrated. Stripping it back with a harsh cleanser does not reduce oil production, which is hormonally driven, and leaves the surface worse off. A light moisturiser applied while the skin is still damp is usually the more comfortable route.

If there is one thing I would want you to take from this, it is that the effort most people put into trying to remove blackheads is aimed at the wrong layer. The plug forms inside the follicle, driven by oil and cell turnover, and no amount of surface force reaches it. Gentle and consistent genuinely does beat vigorous and occasional here, and on skin that marks easily the gentleness is not a nicety.

The tideje bark earns its place in that for one reason only: it lets you wash without dragging.

Shop the grewia mollis tideje bark


Sources

  1. Cleveland Clinic. Blackheads: What They Look Like, Treatment & Prevention. Cleveland Clinic.
  2. DermNet. Acne Vulgaris: Features, Types, and Treatments. DermNet.
  3. American Academy of Dermatology. How to Fade Dark Spots in Darker Skin Tones. AAD.
  4. Ken Fern. Grewia mollis. Useful Tropical Plants Database.
  5. Royal Botanic Gardens, Kew. Grewia mollis Juss.. Plants of the World Online.

Written by Joanna, founder of Jostylin Naturals. This article explains how blackheads form and describes, neutrally, what is used for them; it is not medical advice and nothing here is a recommendation to start, stop or choose any treatment. Our products are cosmetic ones for hair and skin and are not treatments for acne, pigmentation or any other condition. Skin that is painful, spreading or not improving should be seen by a GP or dermatologist.

Leave a Reply

Your email address will not be published. Required fields are marked *

Enter your email and get 15% off your first order. Unlock amazing deals for future orders!

Coupon has expired

This field is required

Code will be automatically sent to your email after inputting.

Unlock exclusive deals awaiting you

JOSTYLIN15
Coupon has expired

Your exclusive code is ready! Copy it now!

Get 15% off now!