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Acne

Skin Intelligence · Acne

Acne.

Understanding breakouts — without the overwhelm.

Understanding Acne

What is this concern?

Acne develops when hair follicles become blocked with oil (sebum) and dead skin cells, creating an environment where acne-causing bacteria (C. acnes) can proliferate. The result can range from blackheads and whiteheads to deeper inflammatory spots.

Acne is one of the most emotionally charged skin concerns, yet it is also one of the most common. Approaching it with curiosity rather than frustration tends to lead to better outcomes.

Context

Common contributing factors.

These are common factors associated with this concern — not causes that apply to everyone. Skin is individual.

◍

Excess sebum

Sebaceous glands that produce too much oil — often influenced by hormones, stress, or genetics — create the conditions for blocked pores.

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Dead cell accumulation

When dead skin cells are not shed efficiently, they combine with sebum to block follicles.

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Bacterial activity

C. acnes bacteria naturally live on the skin, but in blocked follicles they multiply rapidly and trigger inflammation.

◑

Hormonal fluctuations

Androgens stimulate sebum production, which is why acne often worsens during adolescence, menstruation, or periods of hormonal change.

Lifestyle

Habits that make a difference.

Small, consistent changes in daily habits often have a larger impact than any individual product.

01

Consistent cleansing

Cleansing twice daily — morning and evening — removes excess sebum and dead cells before they can accumulate. Over-cleansing, however, strips the skin and can worsen oil production.

02

Non-comedogenic products

Choose skincare and makeup labelled non-comedogenic (non-pore-blocking) to avoid inadvertently worsening breakouts.

03

Clean pillowcases

Change pillowcases every few days. Fabric collects oil, dead cells, and bacteria that are then in contact with your skin for hours each night.

04

Hands away

Touching the face transfers bacteria. Avoid resting your face on your hands, and resist the urge to squeeze — it worsens inflammation and increases the risk of scarring.

Daily skincare

Practical daily habits.

✦

Cleanse gently twice daily — morning and evening

✦

Do not squeeze or pick — it significantly worsens post-acne marks

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Use non-comedogenic moisturiser — even oily skin needs hydration

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Apply SPF daily — many acne treatments increase sun sensitivity

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Introduce new actives one at a time so you can identify what is helping

Ingredient intelligence

Ingredients that
may help.

These ingredients have evidence supporting their use for acne. The right ingredient depends on your full skin profile — use this as a starting point, not a prescription.

Why it helps

Penetrates into the pore to dissolve the sebum and dead cell mixture that causes blockages

How to use it

Use in a cleanser or serum, morning or evening, 1–2% concentration

Why it helps

Reduces sebum production, calms redness, and supports the skin barrier without irritation

How to use it

Well-tolerated daily use, morning and evening

Why it helps

Antimicrobial, anti-inflammatory, and mildly exfoliating — addresses acne and post-acne marks simultaneously

How to use it

Can be used morning and evening at 10–20% concentration

Why it helps

Directly targets and reduces C. acnes bacteria in the follicle

How to use it

Use in targeted amounts on affected areas — can be drying if overused. Start with 2.5%.

Routine guide

A suggested routine.

This is a starting point — not a prescription. The most effective routine is one you can maintain consistently.

01

Gel Cleanser

Salicylic Cleanser

Removes overnight sebum, unclogs pores

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02

Niacinamide

Niacinamide 10%

Sebum regulation and barrier support

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03

Light Moisturiser

Oil-Free Gel Moisturiser

Hydrate without blocking pores

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04

SPF

Non-Comedogenic SPF

Protect and prevent post-acne darkening

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Weekly care

  • ✦

    Use a BHA exfoliant (Salicylic Acid toner or mask) once or twice weekly

  • ✦

    A clay mask once a week can help manage congestion and excess oil

  • ✦

    Assess your routine every 4–6 weeks and remove anything that is not contributing

FAQs

Common questions.

No — this is a very common misconception. Skipping moisturiser can actually make acne worse. Dehydrated skin produces more sebum to compensate. Choose a lightweight, non-comedogenic gel moisturiser instead.

Most topical treatments take 4–8 weeks to show meaningful results. Acne treatments require consistency. If there is no improvement after 8–12 weeks, it may be worth consulting a dermatologist.

Research suggests high-glycaemic diets and dairy may worsen acne for some people. However, the relationship is highly individual. If you notice a pattern between certain foods and breakouts, it is worth noting — but broad dietary restriction is not necessary for everyone.

If acne is deep, painful, cystic, or not responding to 12 weeks of consistent topical care, a dermatologist can offer prescription treatments that go beyond what skincare can achieve.

AI Skin Guide

Have a question about acne?

The OLOOK Skin Guide can help you think through your routine, ingredient compatibility, or any other question about this concern.

OLOOK Skin Guide

Ask me anything about acne…