How Do I Get Rid of Acne?
- The Chemistry Journal
- Jul 30
- 8 min read
Few skincare concerns are as frustrating—or as common—as acne. Whether you're dealing with the occasional breakout or persistent blemishes, it's natural to want fast results. But despite countless products promising overnight transformations, the reality is that acne is a complex skin condition that requires patience, consistency, and the right combination of ingredients.
The good news? Most mild to moderate acne can improve significantly with an evidence-based skincare routine and realistic expectations.
In this guide, we'll explore what causes acne, which ingredients have the strongest scientific support, common mistakes that can make breakouts worse, and how to build a skincare routine that helps your skin recover over time.
What Actually Causes Acne?
Acne develops when several biological processes occur at the same time. Instead of having a single cause, it is the result of multiple factors interacting within the skin.
The four primary contributors are:
1. Excess Sebum Production
Sebaceous glands naturally produce oil (sebum) to help keep the skin moisturized. However, hormones—particularly androgens—can increase oil production, making pores more likely to become clogged.
This is why acne commonly appears during:
puberty
hormonal fluctuations
menstruation
periods of increased stress
2. Clogged Pores
Your skin continuously sheds dead skin cells. Normally these cells are released naturally, but when excess oil mixes with dead skin, the mixture can block hair follicles.
These clogged follicles become:
whiteheads
blackheads
the beginning of inflammatory pimples
3. Growth of Cutibacterium acnes
The skin naturally contains many different microorganisms, including Cutibacterium acnes (formerly Propionibacterium acnes).
When pores become blocked and oxygen levels decrease, this bacterium can multiply more easily. While C. acnes is part of a healthy skin microbiome, excessive growth within clogged follicles can contribute to inflammation.
4. Inflammation
Inflammation is what transforms a clogged pore into the red, swollen, painful pimples many people recognize as acne.
Your immune system responds to the clogged follicle and bacterial activity, resulting in:
redness
swelling
tenderness
pus formation
Understanding these four factors helps explain why no single product can "cure" acne overnight. Effective treatment usually targets several of these processes at once.
Science Note
Acne is one of the world's most common skin conditions, affecting an estimated 85% of people between ages 12 and 24, but it can also persist or first appear in adulthood. Adult acne is particularly common among women and may be influenced by hormonal changes, genetics, and lifestyle factors.
Why Doesn't Acne Go Away Overnight?
One of the biggest misconceptions about acne is that effective products should work within days.
In reality, acne develops over weeks before it becomes visible on the skin. A pimple you notice today may have started forming several weeks earlier beneath the surface.
Skin also renews itself gradually. Most adults complete one skin renewal cycle approximately every 28–40 days, although this process naturally slows with age.
Because of this, dermatologists generally recommend using an acne treatment consistently for 6–12 weeks before evaluating whether it is working.
Stopping products too early—or constantly switching routines—is one of the most common reasons people never see long-term improvement.
Which Ingredients Actually Help Acne?
Not every trendy skincare ingredient has strong scientific support. Fortunately, several ingredients have consistently demonstrated effectiveness in clinical studies and are commonly recommended by dermatologists.
Salicylic Acid (BHA)
Best for:
clogged pores
blackheads
whiteheads
oily skin
Salicylic acid is oil-soluble, allowing it to penetrate into pores where excess oil accumulates. It helps loosen dead skin cells, reducing congestion and making new blockages less likely.
Benefits include:
exfoliates inside pores
reduces blackheads
decreases congestion
helps prevent future breakouts
Retinoids (Retinol and Prescription Retinoids)
Best for:
inflammatory acne
clogged pores
post-acne marks
uneven texture
Retinoids are considered one of the most effective long-term acne treatments because they normalize skin cell turnover and help prevent clogged follicles before blemishes form.
Additional benefits include:
smoother skin texture
improved appearance of post-acne discoloration
support for collagen production
reduction of fine lines over time
Retinoids require gradual introduction and consistent sunscreen use during the day.
Niacinamide
Best for:
oily skin
redness
enlarged pores
supporting the skin barrier
Niacinamide is a versatile ingredient that complements acne treatments rather than replacing them.
Research suggests it:
regulate excess oil production
reduce visible redness
strengthen the skin barrier
improve post-inflammatory discoloration
It is generally well tolerated by most skin types and pairs well with ingredients such as salicylic acid and retinoids.
Benzoyl Peroxide
Best for:
inflamed pimples
red breakouts
Unlike antibiotics, benzoyl peroxide works without contributing to antibiotic resistance. It helps reduce acne-causing bacteria on the skin while also decreasing inflammation.
Because it can be drying, many dermatologists recommend starting with lower concentrations and gradually increasing frequency if needed.
Azelaic Acid
Best for:
acne
redness
sensitive skin
post-acne dark spots
Azelaic acid is particularly useful for people who experience both acne and discoloration after breakouts.
Benefits include:
reducing inflammation
helping unclog pores
fading post-inflammatory hyperpigmentation
improving overall skin tone
Ingredient | Helps Prevent Clogged Pores | Reduces Oil | Targets Acne Bacteria | Reduces Inflammation | Helps Fade Acne Marks |
Salicylic Acid | ✓✓✓ | ✓✓ | — | ✓ | ✓ |
Retinoids | ✓✓✓ | ✓ | — | ✓✓ | ✓✓✓ |
Niacinamide | ✓ | ✓✓ | — | ✓✓✓ | ✓✓ |
Benzoyl Peroxide | ✓ | — | ✓✓✓ | ✓✓ | — |
Azelaic Acid | ✓✓ | ✓ | ✓ | ✓✓✓ | ✓✓✓ |
Science Note
Treat your entire acne-prone area—not just individual pimples.
Many clinically proven acne ingredients work by preventing new clogged pores before they become visible. Applying treatment only to existing blemishes may limit their effectiveness. Consistently treating the full acne-prone area, as directed, can help reduce future breakouts over time.
Acne Myths
Myth 1: Acne means your skin is dirty.
Fact: Acne is not caused by poor hygiene. Overwashing or using harsh cleansers can strip the skin barrier and may increase irritation.
Myth 2: Toothpaste helps pimples.
Fact: Toothpaste is formulated for teeth—not facial skin—and may cause unnecessary irritation, dryness, or contact dermatitis.
Myth 3: More products mean faster results.
Fact: Using too many active ingredients simultaneously can overwhelm the skin barrier, increasing irritation and making it harder to tolerate effective treatments consistently.
Mistakes That Can Make Acne Worse
Even with effective skincare products, certain habits can slow progress or worsen breakouts. Understanding what to avoid is just as important as choosing the right ingredients.
Picking or Popping Pimples
While it may be tempting, squeezing blemishes can push inflammation deeper into the skin, increasing the risk of:
Scarring
Prolonged healing
Secondary bacterial infection
Allow blemishes to heal naturally whenever possible, or consider using hydrocolloid patches to help protect healing skin.
Using Too Many Active Ingredients at Once
Layering several exfoliating or acne-fighting products together does not necessarily improve results.
For example, combining multiple exfoliating acids with retinoids and benzoyl peroxide in the same routine may lead to:
Excessive dryness
Redness
Irritation
Impaired skin barrier function
A compromised skin barrier can make acne treatments harder to tolerate and may delay consistent use.
Overwashing Your Face
More cleansing is not better.
Washing your face twice daily is generally sufficient for most people. Excessive cleansing removes natural lipids from the skin, which may contribute to irritation and increased oil production in some individuals.
Choose a gentle, non-stripping cleanser formulated for your skin type.
Skipping Moisturizer
Many people with acne-prone skin worry that moisturizers will clog pores.
In reality, a lightweight, non-comedogenic moisturizer helps:
Support the skin barrier
Reduce dryness from acne treatments
Improve comfort
Increase long-term treatment adherence
Healthy skin tolerates active ingredients more effectively than irritated skin.
Expecting Overnight Results
Acne develops over weeks, and successful treatment requires consistency.
Changing products every few weeks often prevents ingredients from reaching their full potential.
A consistent routine followed for 6–12 weeks gives the best opportunity to evaluate results.
An Evidence-Based Skincare Routine for Acne-Prone Skin
While everyone's skin is unique, dermatologists generally recommend a simple routine focused on consistency rather than complexity.
Morning Routine
Step | Purpose |
Gentle Cleanser | Removes overnight oil and impurities without disrupting the skin barrier. |
Niacinamide Serum (optional) | Helps regulate oil, reduce redness, and support the skin barrier. |
Maintains hydration and reduces irritation. | |
Broad-Spectrum Sunscreen (SPF 30+) | Protects healing skin and helps prevent post-acne marks from becoming darker. |
Evening Routine
Step | Purpose |
Gentle Cleanser | Removes sunscreen, makeup, and daily buildup. |
Salicylic Acid (2–4 nights/week) or Retinoid (as tolerated) | Helps prevent clogged pores and supports skin renewal. |
Moisturizer | Restores hydration and supports barrier recovery. |
Can Lifestyle Affect Acne?
Skincare plays an important role, but other factors may also influence acne in some people.
Diet
Research suggests that high-glycemic diets (those rich in refined carbohydrates and sugary foods) may worsen acne in certain individuals by influencing hormonal pathways that increase sebum production.
Some studies also suggest that skim milk may be associated with acne in susceptible people, although evidence remains mixed.
Rather than eliminating entire food groups, aim for a balanced dietary pattern rich in:
Vegetables
Fruits
Whole grains
Lean proteins
Healthy fats
Stress
Stress does not directly cause acne, but it may contribute to flare-ups by increasing hormones involved in inflammation and oil production.
Maintaining healthy sleep habits, regular physical activity, and stress management strategies may support overall skin health.
Sleep
While sleep alone won't eliminate acne, adequate rest supports immune function, skin repair, and overall recovery.
Hair and Cosmetic Products
Hair oils, pomades, and heavy styling products can contribute to breakouts around the forehead and hairline.
Choose products labeled:
Non-comedogenic
Oil-free (when appropriate)
Suitable for acne-prone skin
When Should You See a Dermatologist?
Many cases of mild acne respond well to over-the-counter skincare.
However, professional evaluation is recommended if:
Acne is painful or cystic
Scarring develops
Breakouts cover large areas
Acne persists despite consistent treatment for 8–12 weeks
Acne significantly affects confidence or quality of life
A dermatologist can determine whether prescription treatments, hormonal therapies, or other interventions may be appropriate.
Frequently Asked Questions
How long does it take to get rid of acne?
Most evidence-based treatments require 6–12 weeks of consistent use before significant improvement becomes visible. Some ingredients, such as retinoids, may continue providing additional improvements over several months.
Can acne be cured permanently?
Acne can often be effectively managed, but there is no universal permanent cure. Hormones, genetics, and age all influence how acne behaves over time.
Is sunscreen necessary if I have acne?
Yes. Daily sunscreen helps protect the skin from UV damage and reduces the likelihood that post-acne marks become darker and last longer.
Should oily skin use moisturizer?
Absolutely. Acne-prone skin still requires hydration. Lightweight, non-comedogenic moisturizers help support the skin barrier without necessarily making skin feel greasy.
Which ingredient is best for acne?
There is no single "best" ingredient for everyone.
Depending on the type of acne, dermatologists commonly recommend:
Salicylic Acid for clogged pores
Benzoyl Peroxide for inflammatory acne
Retinoids for long-term prevention
Niacinamide for oil control and redness
Azelaic Acid for sensitive or acne-prone skin with post-inflammatory discoloration
Key Takeaways
Acne develops from a combination of excess oil, clogged pores, bacterial activity, and inflammation.
Consistency is more important than using many products.
Evidence-based ingredients such as salicylic acid, retinoids, benzoyl peroxide, niacinamide, and azelaic acid have strong scientific support.
Healthy skin barrier function improves tolerance to active ingredients and supports long-term success.
Daily sunscreen is an essential part of acne care.
Most treatments require 6–12 weeks before meaningful improvements become visible.
Final Thoughts
Acne can be frustrating, but successful treatment is rarely about finding a miracle product. Instead, it comes down to understanding your skin, choosing ingredients supported by scientific evidence, and giving them enough time to work.
A simple routine built around gentle cleansing, targeted active ingredients, consistent moisturization, and daily sun protection often delivers better long-term results than constantly changing products or following every new skincare trend.
Remember that every person's skin is different. If over-the-counter products are not providing the results you expect, consulting a dermatologist can help identify the underlying causes and guide you toward the most appropriate treatment plan.
References
American Academy of Dermatology Association. Acne: Overview. Available at: https://www.aad.org/public/diseases/acne
National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS). Acne. Available at: https://www.niams.nih.gov/health-topics/acne
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):945–973.e33.
Thiboutot D, Gollnick H, Bettoli V, et al. New insights into the management of acne: An update from the Global Alliance. Journal of the American Academy of Dermatology. 2009;60(5 Suppl):S1–S50.
Dreno B, Pécastaings S, Corvec S, Veraldi S, Khammari A, Roques C. Cutibacterium acnes (Propionibacterium acnes) and acne vulgaris: A brief look at the latest updates. Journal of the European Academy of Dermatology and Venereology. 2018;32(S2):5–14.
American Academy of Dermatology Association. Can the right diet get rid of acne? Available at: https://www.aad.org/public/diseases/acne/causes/diet
Mayo Clinic. Acne – Symptoms and causes. Available at: https://www.mayoclinic.org/diseases-conditions/acne
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