Pimples on Face: Types, Causes and How to Actually Get Rid of Them

What's actually happening inside your skin

Your skin is covered in tiny pores, each connected to a sebaceous gland that produces sebum, an oily substance whose job is to keep your skin moisturised and protected. Sebum isn't the enemy. It's a normal, necessary part of skin function.

The problem starts when a specific chain of events happens simultaneously. Sebaceous glands produce excess sebum. Dead skin cells accumulate inside the follicle instead of shedding normally. The two combine and block the pore. Once blocked, the pore becomes an oxygen-poor environment where Cutibacterium acnes, the bacterium most associated with inflammatory acne, multiplies. The immune system responds, and inflammation follows.^[1][2]

Research has established four primary pathogenic factors: excessive sebum production, follicular hyperkeratinisation, C. acnes proliferation, and inflammation.^[1] Remove or reduce any one of these, and breakouts become less likely.

Here's what matters most: every one of these factors fluctuates. Sebum output changes with hormonal cycles, stress, sleep, temperature, and humidity. Barrier function shifts throughout the day. C. acnes population density varies with your skin's pH and lipid environment. Your skin at 7 AM after eight hours of sleep is biologically different from your skin at 7 PM after a day of pollution, cortisol accumulation, and UV exposure.

This is what we call skin context: the recognition that your skin exists in a dynamic biological state that changes constantly, not a fixed category called "acne-prone skin." And it changes how you approach acne, because most routines are built on the assumption that your skin is the same thing every day. It isn't.^[3]

Diagram

Inside a pore: normal vs blocked vs inflamed

The different types of pimples

Not all pimples are the same, and knowing which type you're dealing with changes the approach entirely. A spot treatment that works on a whitehead may do nothing for a cyst. A product that clears blackheads may irritate inflamed papules.^[1]

Diagram

The six types of acne, and what is happening inside each one

Blackheads and whiteheads

These are the mildest form, called comedones. A blackhead is an open pore blocked with a mixture of sebum and dead skin cells. When the top of the plug is exposed to air, it oxidises and turns dark. That colour has nothing to do with dirt. A whitehead is the same blockage but with a closed top, so air can't reach it and the material stays white or flesh-coloured.^[4]

Both can usually be managed with consistent, gentle cleansing and salicylic acid, which is oil-soluble and penetrates into the pore to dissolve blockages.

Papules and pustules

When the wall of a clogged pore breaks down, bacteria enter the surrounding tissue and the immune system responds. A papule is a small, firm red bump with no visible pus; the inflammation is active but hasn't formed an infection centre yet. A pustule has a red base with a visible white or yellow centre. Pus is the accumulation of white blood cells fighting the bacterial infection.^[1]

Do not squeeze papules. There is nothing inside to extract, and pressure pushes inflammation deeper. Pustules look dramatic but sit close to the surface; if ready, they drain naturally. Forcing them increases scarring risk and spreads bacteria.

Nodules and cysts

These are deeper, more painful, and need professional attention. Nodules are hard lumps that sit deep in the dermis, where topical products can't penetrate effectively. Cysts are fluid-filled, can persist for weeks, and are the type most likely to leave permanent scarring. Cystic acne is often hormonal in origin, common in women with PCOS, during the week before a period, and typically clusters on the lower face, chin, and jawline.^[5]

When to see a dermatologist: If you have painful nodules or cysts that don't respond to over-the-counter products after 6–8 weeks, if breakouts are leaving significant scarring, or if you suspect a hormonal cause (PCOS-related acne, persistent jawline breakouts). A dermatologist can prescribe options that work at concentrations and through mechanisms that consumer products can't access.^[5]

Why pimples keep coming back in the same spots

If your breakouts cluster in specific areas, there's usually a biological reason, and understanding it is part of what skin context means in practice. The same face, but different zones responding to different triggers.

What actually causes pimples

Pimples rarely have just one cause. Most of the time it's a combination of factors interacting at the same moment, which is exactly why skin context matters. The same person can break out one week and not the next, because the combination of triggers shifted.

Hormonal fluctuations during puberty, menstruation, pregnancy, or conditions like PCOS increase sebum production. Androgens are the primary drivers. They stimulate sebaceous gland activity, which is why acne is strongly age- and cycle-dependent.^[6] Topically, ingredients like zinc PCA (a zinc salt of pyrrolidone carboxylic acid) have been shown to regulate sebum output at the gland level, offering a way to manage excess oil without stripping the skin's surface.

Stress raises cortisol, which stimulates sebaceous glands and increases sebum output. Research has identified that substance P, a neuropeptide released during stress, promotes sebaceous gland development and increases gland size.^[2]

Over-cleansing and high-pH cleansers strip the skin's acid mantle, raising surface pH. C. acnes thrives at pH 6.0–7.0, well above the healthy acid mantle range of 4.5–5.5. A study of 200 acne patients found significantly elevated skin pH compared to controls.^[7] Aggressive cleansing also strips barrier lipids, increasing transepidermal water loss (TEWL) and triggering compensatory sebum production.^[8]

Comedogenic products, skincare or makeup that blocks pores, contribute directly to the follicular obstruction step. Pollution in Indian cities adds particulate matter that mixes with sebum on the skin surface. Diet high in refined carbohydrates and dairy has been linked to acne in some studies, though the connection is not universal.^[9] India's humidity levels are a genuine contributing factor: sweat and pollution particles combine with sebum and accelerate pore blockage.

The over-cleansing trap: why your routine may be making it worse

When acne appears, the instinct is to clean harder. Stronger cleansers. More frequent washing. Products that leave your face feeling "squeaky clean." This is the single most counterproductive response, and it works through a well-documented mechanism.

Your skin's surface has an acid mantle, a thin film with a pH between 4.5 and 5.5 that serves as the first line of defence. Bactericidal activity of antimicrobial peptides is optimal at pH 5.5. As pH rises, C. acnes and Staphylococcus aureus populations increase.^[7]

SLS (sodium lauryl sulphate), the most common surfactant in face washes, induces a dose-related increase in TEWL, which is direct evidence of barrier damage.^[8] When barrier lipids are stripped, the skin dehydrates and sebaceous glands compensate by producing more sebum. You end up in a cycle: the more aggressively you cleanse, the oilier your skin becomes, the more breakouts you get.

Diagram

Your skin's acid mantle: intact vs disrupted

How to actually get rid of pimples

The honest version: there's no such thing as making a pimple vanish completely overnight. What you can do is reduce inflammation, size, and visibility significantly. More importantly, you can build a routine that reduces the frequency and severity of future breakouts.

For an active breakout right now

Ice: Wrap a clean ice cube in cloth, press against the pimple for 60 seconds. Repeat 2–3 times. Cold constricts blood vessels, reducing redness and swelling visibly by morning.

Salicylic acid spot treatment: Salicylic acid is a beta-hydroxy acid that penetrates into the pore and dissolves the oil and dead skin cells blocking it. Apply directly on the pimple at 0.5–2% concentration. Don't spread across surrounding skin.

Hydrocolloid patch: Place over a whitehead overnight. Absorbs fluid, creates a moist healing environment, and physically prevents you from touching the spot. Less effective on deep, under-the-skin pimples.

Niacinamide: Not a typical overnight fix, but a thin layer over an inflamed pimple calms redness effectively. It works by reducing the inflammatory response rather than drying the pimple out, a gentler mechanism that doesn't compromise the surrounding barrier.^[11]

Azelaic acid: One of the more versatile actives for breakout-prone skin. At concentrations of 10–20%, azelaic acid is antibacterial against C. acnes, reduces follicular hyperkeratinisation (the dead cell buildup that blocks pores), and inhibits tyrosinase, which means it also helps fade the post-acne marks that follow.^[15] It addresses three of the four pathogenic factors in a single molecule. Available in prescription formulations and increasingly in over-the-counter products at lower concentrations.

What not to do: Don't squeeze it. Squeezing pushes bacteria deeper into surrounding tissue, increases inflammation, dramatically raises scarring risk, and often causes new breakouts nearby as bacteria spread.^[1] Don't use toothpaste (menthol and fluoride irritate skin), lemon juice (pH 2–3, can cause burns and post-inflammatory hyperpigmentation on Indian skin), or undiluted essential oils.

The long-term routine: skin context approach

Emergency fixes address symptoms. A consistent routine addresses the underlying biology. The skin context approach builds a stable foundation and adapts daily choices within it.

Step 1: Gentle, low-pH cleanser. Removes excess sebum and surface debris without stripping the acid mantle or barrier lipids. Glycophil Skin Essentials Cleanser is SLS-free, dermatologically tested, pH-balanced at 5.0–5.5, with niacinamide at 2%. Twice daily, morning and evening. After exercise, a gentle rinse with water is sufficient. Washing more than twice strips the barrier and triggers the over-cleansing cycle.^[10]

Step 2: Lightweight moisturiser with barrier support. Moisturising doesn't make acne worse. Using the wrong moisturiser does. Glycophil Skin Essentials Daily Moisturiser, lightweight, fragrance-free, and dermatologically tested, supports ceramide synthesis and barrier integrity with niacinamide and glycerin, creating conditions where skin can stabilise on its own. Your skin's barrier is built from three key lipids: ceramides, cholesterol, and free fatty acids, roughly in a 3:1:1 ratio. When this lipid matrix is intact, water stays in and irritants stay out. When it's depleted, through harsh cleansing, weather shifts, or inflammation, TEWL rises and breakouts follow. Niacinamide at effective concentrations has been shown to increase ceramide biosynthesis by 4–5-fold and reduce sebum excretion.^[11][12]

Step 3: Sunscreen every morning. Non-negotiable if you're dealing with post-acne marks. UV exposure stimulates melanocytes and darkens post-inflammatory hyperpigmentation. Every day without sun protection is a day your acne marks get harder to fade.^[13]

That's the foundation. Three products. Two minutes. The complexity comes from formulation quality and active concentrations, not from the number of steps. On days when your skin is calmer, this foundation is enough. On days when it's more reactive, you adapt within the framework, perhaps adding a spot treatment in the evening, or using the Glycophil Skin Essentials Intensive Moisturiser if your barrier feels compromised.

The routine stays the same. The daily selection adapts. This is skin context in practice. Your skin's sebum output, barrier integrity, and inflammatory state are variable. What it needs on Monday morning may not be what it needs on Friday evening. A rigid routine that ignores this reality is fighting your biology instead of working with it. Read the full science behind skin context →

Post-acne marks on Indian skin

Regardless of the type of pimple, Indian skin tones are particularly susceptible to post-inflammatory hyperpigmentation (PIH), the flat dark marks left behind after a pimple heals. This happens because melanocytes in Indian skin (Fitzpatrick types III–V) are more reactive to inflammation, producing more melanin in response to any inflammatory event.^[14]

These marks are not scars. A scar involves structural damage to the collagen in the dermis: indentations or raised tissue that topical products can't reverse. PIH is purely a pigment response in the upper layers of the skin. With the right approach, it fades.

What accelerates fading: Consistent sun protection (UV reactivates melanocytes in existing marks). Niacinamide, which inhibits melanosome transfer from melanocytes to keratinocytes by 35–68%.^[13] Tranexamic acid, which works through a different mechanism entirely: it blocks the plasminogen/plasmin pathway that stimulates melanocytes in the first place, effectively cutting off the signal that tells your skin to produce excess pigment after inflammation.^[16] And time; the natural epidermal turnover cycle is 28–40 days, so even with the right actives, visible fading takes at least one full cycle.

What makes marks worse: Squeezing active breakouts (deepens inflammation → darker PIH). Skipping sunscreen (UV locks the pigment in). Harsh, irritating skincare (creates new inflammation → new marks).

For targeted support on existing post-acne marks, the Glycophil Skin Essentials Depigmentation Cream, dermatologically tested and formulated at pharmaceutical-grade, combines actives that work at multiple points of the melanin pathway: tyrosinase inhibition and melanosome transfer regulation, in a formulation designed for daily use on Indian skin. For the full biology of how pigmentation works, read our complete guide to dark spots and pigmentation.

Choosing the right cleanser

The cleanser is the most important product in a breakout-prone routine. It's also where most people go wrong, usually by choosing something too harsh.

A high-pH cleanser strips the acid mantle. The skin responds by overproducing sebum. You end up in the cycle described above. Research on cleansing formulations has demonstrated that mild surfactant systems maintain barrier integrity while still effectively removing excess sebum and surface debris.^[10]

What to look for: low-pH formula (5.0–5.5), SLS-free, non-comedogenic, gentle surfactants. What to avoid: sodium lauryl sulphate, added fragrance (a common contact irritant that can trigger PIH), and alcohol-based formulations that strip the barrier.

Frequently asked questions

How long does it take for a pimple to go away?
Surface pimples (whiteheads, papules) typically resolve within 3–7 days with proper care. Deeper nodules and cysts can take several weeks and often need dermatologist attention.^[1]

Does diet cause pimples?
Research suggests that high-glycaemic foods and dairy may worsen acne in some people. The connection is not universal, but if you notice breakouts consistently after eating certain foods, it's worth reducing them and observing over a few weeks.^[9]

Can moisturising cause more pimples?
Only if you're using a heavy, oil-based cream that blocks pores. A lightweight moisturiser with barrier-supporting actives like niacinamide actually reduces breakouts over time by stabilising the skin's lipid barrier and reducing compensatory sebum production.^[11]

Is it bad to wash your face more than twice a day?
Yes. Washing more than twice strips the skin's natural lipids. The barrier weakens, TEWL increases, and sebaceous glands compensate with more sebum, which means more breakouts. Twice daily with a gentle cleanser is the right frequency.^[8][10]

Why do pimples keep coming back in the same spot?
The pore in that location may be structurally more prone to blockage, or the trigger, whether hormonal, environmental, or product-related, hasn't been fully addressed. Your skin's context in that specific zone (sebum density, friction exposure, hormonal sensitivity) determines which pores are most vulnerable.^[6]

References

[1] Tuchayi SM, Makrantonaki E, Ganceviciene R, Dessinioti C, Feldman SR, Zouboulis CC. Acne vulgaris. Nature Reviews Disease Primers. 2015;1:15029. doi:10.1038/nrdp.2015.29. PMID: 27189872.

[2] Toyoda M, Morohashi M. Pathogenesis of acne. Medical Electron Microscopy. 2001;34(1):29–40. doi:10.1007/s007950100002. PMID: 11479771.

[3] Yosipovitch G, DeVore A, Dawn A. Obesity and the skin: skin physiology and skin manifestations of obesity. Journal of the American Academy of Dermatology. 2007;56(6):901–916. doi:10.1016/j.jaad.2006.12.004. PMID: 17504714. (Referenced for environmental variability in skin parameters.)

[4] Jeremy AHT, Holland DB, Roberts SG, Thomson KF, Cunliffe WJ. Inflammatory events are involved in acne lesion initiation. Journal of Investigative Dermatology. 2003;121(1):20–27. doi:10.1046/j.1523-1747.2003.12321.x. PMID: 12839559.

[5] Zaenglein AL, Pathy AL, Schlosser BJ, et al. Guidelines of care for the management of acne vulgaris. Journal of the American Academy of Dermatology. 2016;74(5):945–73. doi:10.1016/j.jaad.2015.12.037. PMID: 26897386.

[6] Zouboulis CC. Acne and sebaceous gland function. Clinics in Dermatology. 2004;22(5):360–366. doi:10.1016/j.clindermatol.2004.03.004. PMID: 15556719.

[7] Prakash C, Bhargava P, Tiwari S, Majumdar B, Bhargava RK. Skin Surface pH in Acne Vulgaris: Insights from an Observational Study and Review of the Literature. Journal of Clinical and Aesthetic Dermatology. 2017;10(7):33–39. PMID: 28979664. PMC5605222.

[8] Ananthapadmanabhan KP, Moore DJ, Subramanyan K, Misra M, Meyer F. Cleansing without compromise: the impact of cleansers on the skin barrier and the technology of mild cleansing. Dermatologic Therapy. 2004;17 Suppl 1:16–25. doi:10.1111/j.1396-0296.2004.04s1002.x. PMID: 14728695.

[9] Melnik BC. Linking diet to acne metabolomics, inflammation, and comedogenesis: an update. Clinical, Cosmetic and Investigational Dermatology. 2015;8:371–388. doi:10.2147/CCID.S69135. PMID: 26203267. PMC4507494.

[10] Walters RM, Mao G, Gunn ET, Hornby S. Cleansing Formulations That Respect Skin Barrier Integrity. Dermatology Research and Practice. 2012;2012:495917. doi:10.1155/2012/495917. PMID: 22927835. PMC3425021.

[11] Tanno O, Ota Y, Kitamura N, Katsube T, Inoue S. Nicotinamide increases biosynthesis of ceramides as well as other stratum corneum lipids to improve the epidermal permeability barrier. British Journal of Dermatology. 2000;143(3):524–531. doi:10.1111/j.1365-2133.2000.03705.x. PMID: 10971324.

[12] Draelos ZD, Matsubara A, Smiles K. The effect of 2% niacinamide on facial sebum production. Journal of Cosmetic and Laser Therapy. 2006;8(2):96–101. doi:10.1080/14764170600717704. PMID: 16766489.

[13] Hakozaki T, Minwalla L, Zhuang J, et al. The effect of niacinamide on reducing cutaneous pigmentation and suppression of melanosome transfer. British Journal of Dermatology. 2002;147(1):20–31. doi:10.1046/j.1365-2133.2002.04834.x. PMID: 12100180.

[14] Grimes PE. Management of hyperpigmentation in darker racial ethnic groups. Seminars in Cutaneous Medicine and Surgery. 2009;28(2):77–85. doi:10.1016/j.sder.2009.04.001. PMID: 19608057.

[15] Fitton A, Goa KL. Azelaic acid: a review of its pharmacological properties and therapeutic efficacy in acne and hyperpigmentary skin disorders. Drugs. 1991;41(5):780–798. doi:10.2165/00003495-199141050-00007. PMID: 1712709.

[16] Perper M, Eber AE, Fayne R, et al. Tranexamic acid in the treatment of melasma: a review of the literature. American Journal of Clinical Dermatology. 2017;18(3):373–381. doi:10.1007/s40257-017-0263-3. PMID: 28210975.