How to Identify and Treat Different Types of Acne: Your Comprehensive Guide to Skincare without Compromise

A furious red cyst on your chin is a very different beast to a scattering of blackheads across your nose, and the two call for very different tactics. Trouble is, plenty of people treat every breakout the same way, sometimes with products that make certain kinds worse.

Working out what you're actually dealing with is where it all starts. This guide walks you through spotting the type of breakout on your skin and picking products that suit it.

How does acne form?

It all kicks off the same way: a hair follicle, a pore, gets blocked. Dead skin cells that should shed off quietly clump together instead, mix with sebum (oil), and form a plug. What happens after that decides which type of breakout you end up with.

Four things feed into it:

1. Excess sebum production – Skin makes more oil than it needs
2. Abnormal skin cell shedding – Dead cells stick together rather than flaking away
3. Bacterial growth – Cutibacterium acnes bacteria multiply inside blocked pores
4. Inflammation – The immune system piles in, bringing redness and swelling

Different breakouts involve different mixes of those four, which is exactly why a one-size-fits-all approach falls flat.

What is non-inflammatory (comedonal) acne?

This is what you get when pores are blocked but not infected. These are the mildest forms and usually the most straightforward to manage.

Blackheads (Open Comedones)

Blackheads show up as small, dark dots, typically on the nose, chin and forehead. And no, they aren't dirt. That dark colour is oxidised sebum and melanin reacting with the air.

Best treatments:

• Salicylic acid: Gets inside the pore and dissolves the blockage from within
• Retinoids: Speed up cell turnover so pores don't clog in the first place
• Clay masks: Draw out excess oil once a week

The SkinCeuticals LHA Cleansing Gel pairs salicylic acid with glycolic acid, making it a solid daily choice for blackheads.

Whiteheads (Closed Comedones)

Whiteheads are blocked pores with a thin layer of skin over the top, so you get small flesh-coloured or white bumps. Because they're sealed, the contents never oxidise and stay pale.

Best treatments:

• Retinoids: The most effective option here, speeding up turnover to clear the plug
• AHA exfoliants: Glycolic or lactic acid to smooth the surface
• Salicylic acid: Helps loosen the blockage

For stubborn whiteheads, AlumierMD Retinol Resurfacing Serum 0.25 offers a gentle but effective option.

What is inflammatory acne?

Once bacteria get trapped in a blocked pore, the immune system responds and things flare up. The result is red, swollen, often sore spots that need handling with a bit more care.

Papules

Papules are small, red, raised bumps with no visible head. They form when the wall of a blocked pore breaks down under inflammation and bacteria.

Best treatments:

• Benzoyl peroxide: Tackles bacteria without them building resistance
• Niacinamide: Calms inflammation and redness
• Gentle approach: Don't overdo it, a damaged barrier only fans the flames

Pustules

Pustules look a lot like papules but with a white or yellow centre. That's pus: a mix of dead bacteria, white blood cells and debris. These are what most people picture when they think of a spot.

Best treatments:

• Benzoyl peroxide spot treatment: Goes straight at the bacteria
• Salicylic acid: Helps clear the blockage
• Hydrocolloid patches: Draw out pus and stop you picking

The Obagi CLENZIderm system uses solubilised benzoyl peroxide, which works well on inflammatory breakouts, pustules included.

Nodules

Nodular breakouts form deeper down, when the follicle wall ruptures and spreads infection into the surrounding tissue. These hard, painful lumps have no head and can hang around for weeks or even months.

Treatment approach:

Nodular acne usually needs professional input. Off-the-shelf products on their own rarely clear deep nodules. That said, a consistent professional routine can help keep new ones from forming.

If you're dealing with nodular acne, it's worth booking a consultation with our specialists.

Cystic Acne

The most severe form. Cysts are large, pus-filled lesions sitting deep under the skin, forming when infection goes even further down than a nodule and creates soft, fluid-filled pockets. Cystic acne carries the highest risk of lasting scarring.

Treatment approach:

Cystic acne needs professional care, prescription options and sometimes procedures like cortisone injections. At home, the focus is on supporting that treatment and heading off new cysts.

How do you treat acne by severity?

Mild Acne (Occasional Blackheads/Whiteheads)

Mostly comedonal, with the odd inflamed spot.

Recommended routine:

1. Salicylic acid cleanser (morning and evening)
2. Niacinamide serum
3. Lightweight moisturiser
4. SPF 30+ (morning)
5. Retinol 2-3x per week (evening)

Have a browse of our acne-prone skin collection for products that fit.

Moderate Acne (Regular Papules/Pustules)

A mix of comedonal and inflammatory breakouts that needs more active treatment.

Recommended routine:

1. Double cleanse in the evening (oil cleanser + medicated cleanser)
2. Benzoyl peroxide treatment (morning) OR spot treatment
3. Niacinamide serum
4. Barrier-supporting moisturiser
5. SPF 30+ (morning)
6. Retinoid (evening, alternating with benzoyl peroxide nights)

Severe Acne (Nodules/Cysts)

Needs professional guidance alongside your home routine.

Home care focus:

• Gentle, non-irritating cleanser
• Barrier support to keep skin resilient
• Strict SPF, especially if you're on prescription treatments
• Hands off, picking will scar

How do you prevent post-acne marks and scars?

Every inflamed spot carries some scarring risk. While you're dealing with active breakouts, a few habits go a long way towards keeping marks at bay:

• Don't pick or squeeze: It damages tissue and sends scarring risk right up
• Use SPF religiously: UV darkens the marks left behind after a spot
• Include vitamin C: Helps keep post-spot pigmentation in check
• Treat promptly: The longer a breakout lingers, the higher the scarring risk

Read our complete guide: Preventing and Treating Acne Scars

Ready to get on top of your breakouts? Take our skincare quiz for personalised product recommendations, or have a look through our acne-prone skin collection.