Acne Severity – Is My Acne Mild, Moderate, or Severe?

There are three main types of acne graded along an acne severity scale from mild to moderate to severe. Most of us have a milder form of acne, but for the unlucky few, severe acne can take hold of your skin.

Knowing which type of acne you have can go some way towards helping you to treat it properly. People with severe forms of acne may wish to visit a professional dermatologist or esthetician in order to better treat the issue.

Acne Severity: What is the Difference?

• Mild acne usually forms black and whiteheads as a result of blocked pores caused by excess oil and dead skin cells. In a whitehead, the pore is totally blocked by sebum and skin cells. Blackheads aren’t fully blocked pores, so you can see the dirt and oil peeking out in a black or brown head.
• Moderate acne usually forms pustules and papules. A pustule is recognized by its white head that could be squeezed, but we do not recommend this at all. A papule, or spot, is red with inflammation. If you do not treat moderate acne, it could lead to severe acne.
• Severe acne is characterized by nodules and cysts. These exist deep within the skin, making them much harder to cure. They are made up of the same oil and dead skin cells as less severe acne, but have loads of bacteria within them. You definitely must not squeeze these, as this can only force the bacteria deeper. Severe types of acne can cause scarring.

Acne Severity Comparison Table

Feature	Mild Acne	Moderate Acne	Severe Acne
Number of Lesions	Few (<20)	20–100 total lesions	100+ lesions or widespread deep inflammation
Types of Lesions	Mostly blackheads & whiteheads	Blackheads, whiteheads, papules, pustules	Papules, pustules, nodules, cysts
Inflammation	Minimal or none	Noticeable redness and swelling	Severe inflammation, often painful
Location	Often limited to the face	Face, possibly chest, and back	Extensive on face, chest, back, shoulders
Scarring Risk	Low	Moderate	High, as scarring and hyperpigmentation are common
Skin Texture	Mostly smooth	Uneven with small bumps	Rough, lumpy, pitted
Psychological Impact	Mild to none	Moderate self-consciousness	High emotional distress, possible social withdrawal
Common Treatments	OTC products (salicylic acid, benzoyl peroxide)	Stronger topicals, oral antibiotics, and hormonal therapy	Dermatologist-led care: isotretinoin, hormonal, or antibiotic therapy
Professional Help?	Usually not needed	Recommended if OTC fails	Essential—requires medical intervention

How to treat mild to severe acne

Treating the three types of acne is actually achieved in the same way, with a few key differences.

A good start is getting the basics right:

1. Try to eat a healthier, more balanced diet with fewer sweeteners and sugar for a start.

2. Use a gentle cleanser twice daily – Avoid harsh scrubs.

3. Moisturize regularly – Even if you have oily skin, it still needs hydration.

4. Avoid picking or squeezing pimples – Reduces the risk of scarring.

5. Wash pillowcases & towels often – Otherwise, bacteria can build up.

6. Manage stress – High cortisol can trigger breakouts.

7. Limit dairy and high-glycemic foods – This may help some individuals.

8. Stay hydrated – Helps flush toxins and support skin health.

9. Use non-comedogenic products – These won’t clog pores.

10. If nothing seems to be working, going to visit a dermatologist or esthetician is an option, as they are experts in disorders of the skin.

However, many people decide to follow a more natural route that doesn’t involve harsh chemicals such as Isotretinoin that dermatologists tend to prescribe, which can often make your skin look worse than before treatment and have harmful side effects.

Everyone with acne should have their skincare routine sorted to be in the best chance of beating it. Consider choosing an all-in-one skincare system specifically designed to treat all types of acne, no matter how severe.

The essentials to look out for are a good deep cleanser or face wash, and an oil-balancing moisturizer. A supplement would be a great way to treat acne internally as well as externally with the creams.

Best Natural Acne Treatment

Our top-rated anti-acne treatment is an all-in-one kit called ClearPores. This blends all-natural ingredients into proven acne-fighting products that complement each other. It includes a capsule that treats the internal causes of acne.

They sell an all-in-one kit for face and body.

Click here for our full ClearPores review

Overview of Common Acne Grading Systems

While acne is often casually described as mild, moderate, or severe, dermatologists use more specific grading systems to assess it objectively. Here are some of the most widely recognized:

Pillsbury Scale

• One of the oldest systems categorizes acne into 4 grades based on lesion types.
• Grade 1: Mainly blackheads/whiteheads.
• Grade 4: Severe nodules, cysts, and scarring.

Leeds Technique

• Compares acne to standardized photographs to assign a numerical score.
• Two types: Leeds Simple Grading (face only) and Leeds Comprehensive Grading (face and body).

Cook’s Acne Grading Scale

• Uses graded photos to evaluate facial acne severity.
• Common in clinical trials and photographic analysis.

IGA (Investigator’s Global Assessment)

• A quick, 0 to 5 scale based on visual inspection.
• Score of 0 = clear skin, 5 = very severe acne.

GAGS (Global Acne Grading System)

• Assigns a weighted score to different face/body zones based on lesion count and type.
• More comprehensive, combining quantity and severity of lesions across regions.

Including one or more of these scales can help standardize diagnosis and track treatment progress more accurately.

Understanding Lesion Counting

Acne severity grading often includes counting specific types of lesions, especially in research or clinical settings. Here’s how dermatologists typically assess:

Lesion Type	Description
Comedones	Non-inflamed clogged pores (blackheads/whiteheads)
Papules	Small red bumps, often tender
Pustules	Pimples with visible pus
Nodules/Cysts	Large, painful, deeper lumps under the skin

Lesions are counted in different zones (forehead, cheeks, chin, back, chest), and acne severity is calculated based on the type and number of lesions. Nodules carry more weight in most scoring systems due to their association with severe inflammation and scarring.

Clinical vs. Photographic Assessment

Acne can be assessed either in person or using standardized photographs:

In-Person Assessment:

• Allows for 3D examination (e.g., texture, tenderness).
• Can detect deep lesions that don’t show well in photos.
• Risk of inconsistency between clinicians.

Photographic Assessment:

• Standardized lighting and angles help with consistency.
• Useful for clinical trials and tracking before/after results.
• May miss subtleties like lesion depth or pain level.

Combined approaches often give the most accurate results, particularly for long-term treatment monitoring.

The Emotional Impact: Why Acne Severity Isn’t Just Skin Deep

Acne’s psychological toll doesn’t always match what’s visible. Someone with “mild” acne may feel intense embarrassment, while another with more visible breakouts may feel unaffected. That’s why dermatologists sometimes use:

DLQI (Dermatology Life Quality Index)

• A 10-question form measuring the impact of skin conditions on daily life.

CADI (Cardiff Acne Disability Index)

• Specifically designed for acne-related emotional and social impairment.

Including these tools can help provide a more holistic view of severity, guiding both medical and mental health support.

Linking Severity to Clinical Guidelines

Leading dermatology organizations, such as the Global Alliance to Improve Outcomes in Acne, recommend tailoring treatment based on severity:

Severity	Recommended Approach
Mild	Topical treatments: salicylic acid, benzoyl peroxide, retinoids
Moderate	Combination topicals ± oral antibiotics or hormonal therapies
Severe	Oral isotretinoin, hormonal therapy, procedural treatments (e.g., laser, blue light)

Using severity scales ensures patients receive appropriate and timely interventions instead of a one-size-fits-all solution.

Emerging Tools: AI & Tech in Acne Grading

New technology is revolutionizing acne assessment. Today’s innovations include:

• AI-powered apps that analyze selfies to detect acne severity.
• Machine learning algorithms that track lesion changes over time.
• Tools used in teledermatology for remote acne diagnosis and monitoring.

These tools aim to improve objectivity, consistency, and convenience, especially in areas where dermatology access is limited.

Treatment by Severity: A Clear Roadmap

Knowing where you fall on the acne severity scale helps determine the right treatment strategy:

Severity	Typical Treatments	Duration	Professional Help?
Mild	OTC products (e.g., salicylic acid, niacinamide), ClearPores	4–8 weeks	Not always needed
Moderate	Topical + oral antibiotics, birth control, or spironolactone	8–12 weeks	Often helpful
Severe	Isotretinoin, hormonal therapy, dermatologist procedures	3–6 months+	Essential

Understanding this roadmap can help users set realistic expectations and avoid overtreatment or delays in care.

Last Updated on July 7, 2025 by Aileen