# 20 Questions on Acne in 2020 — Everything we know about acne

> Expert answers to 20 essential questions about acne and its treatment. (iPhone/iPad app by Association pour la Promotion de la Publication et de la Recherche Dermatologiques.)

- Source: https://appshunter.io/ios/app/20-questions-on-acne-in-2020/id1477525882 (this page in markdown: same URL + `.md`)
- Developer: [Association pour la Promotion de la Publication et de la Recherche Dermatologiques](https://appshunter.io/developer/1477525881)
- Category: Health & Fitness, Education
- Price: Free
- Age rating: 12+
- Requires: iOS 13.0 · 5 MB
- Languages: Dutch, English, French, Greek, Polish, Portuguese, Chinese, Spanish
- Released: 2019-09-02
- Data updated: 2026-06-01
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/20-questions-on-acne-in-2020/id1477525882/reviews.md

## What is 20 Questions on Acne in 2020?

1. Why do we get acne?
2. How does an acne pimple form?
2'. Why is my acne flaring up today?
3. What are the causes of acne?
4. What causes hyperseborrhea?
5. How do comedones form?
6. Which microbe is the acne bacterium?
7. Why does adolescent acne clear up?
8. Why does adult acne persist?
9. Which are the atypical forms of acne and what is risked by not recognizing them?
10. What are the local treatments for acne?
11. What are the oral/systemic drug treatments for acne?
12. What are the treatment strategies and their limitations?
13. How do dermocosmetics fit in?
13'. The discovery of a new field phytocosmetics: a disruptive scientific basis
14. What about acne and contraception?
15. What about acne and hygiene?
16. What about radiation: sun, UV, lasers, photodynamic therapy
17. Does diet play a role?
18. Can make-up be used on acne? 
19. What is the relationship between acne and mental health? 
20. Can acne be prevented?

From mechanisms to treatment, through day-to-day management, Professor Jean-Hilaire Saurat answers the essential questions about this condition and also prompts new ones. 
The answers in this application have been drawn up on the basis of the most recent findings in the field of acne and are explained in layman's terms.

Jean-Hilaire Saurat is Professor Emeritus of Dermatology at the University of Geneva and former Head of the Dermatology Department of the Geneva University Hospitals. He has served as President of the International League of Dermatology Societies (ILDS), the European Society for Dermatological Research (ESDR) and the European Academy of Dermatology and Venereology (EADV). He leads a clinical, biological and therapeutic acne research program. The program seeks to apply the findings of the Ukraine President's case of acne due to dioxin poisoning, between 2004 and 2010, to common acne.

Disclaimer: This application does not replace the supervision of your healthcare professional. Please consult your physician before making any change to your therapeutic management.

## Key features

- 20 essential questions about acne
- Expert answers from a dermatology professor
- Explanation of acne formation and causes
- Information on local and oral treatments
- Guidance on dermocosmetics and phytocosmetics
- Discussion of diet, hygiene, and makeup
- Insights into acne and mental health

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/20-questions-on-acne-in-2020/id1477525882/reviews.md

### 4/5 — Idioma

*2022-08-24*

Li donaria 5 estels si també estigues disponible en català

## Frequently asked questions about 20 Questions on Acne in 2020

### What is the age rating for 20 Questions on Acne?

20 Questions on Acne has an age rating of 12+. This indicates it is suitable for users aged 12 and older.

### Is 20 Questions on Acne free to download and use?

Yes, 20 Questions on Acne is available for free. There are no costs associated with downloading or using the application.

### What devices is 20 Questions on Acne available on?

20 Questions on Acne is supported on iPhone, iPad, and iPod devices. It is designed for the iOS ecosystem.

### How often is 20 Questions on Acne updated?

The latest version of 20 Questions on Acne is 1.1, which was last updated on November 22, 2021. Future updates will depend on the developer's release schedule.

### Does 20 Questions on Acne offer any integrations with health trackers?

The provided information does not mention any integrations with health trackers. This app focuses on providing educational content about acne rather than tracking personal health data.

### What kind of workout types does 20 Questions on Acne cover?

20 Questions on Acne is not a fitness app and does not cover workout types. Its content is focused on dermatological information regarding acne.

### Does 20 Questions on Acne have ads?

No, 20 Questions on Acne does not contain advertisements. The app is ad-free, providing an uninterrupted user experience.

### Who developed 20 Questions on Acne?

20 Questions on Acne was developed by the Association pour la Promotion de la Publication et de la Recherche Dermatologiques.

## Version history (last 4 releases)

### 1.1 — 2021-11-22

Updated contents to share with you new discoveries in acne field!

### 1.0.2 — 2019-09-27

This version fixes translation problems and optimizes drawings and animations

### 1.0.1 — 2019-09-16

This version adds details to explanations and small typos have been fixed

### 1.0 — 2019-09-02

No release notes.

## Apps similar to 20 Questions on Acne in 2020

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [DiCE-StepApp](https://appshunter.io/ios/app/dice-stepapp/id1665136522) | — | Free | Health & Fitness |
| [Skincare Routine: BasicBeauty](https://appshunter.io/ios/app/skincare-routine-basicbeauty/id1571959428) | 4.7 (576) | Free | Health & Fitness |
| [Qoach: Fitness Trainer](https://appshunter.io/ios/app/qoach-fitness-trainer/id650627810) | 4.8 (6) | Free | Health & Fitness |
| [Dermatology & Venereology](https://appshunter.io/ios/app/dermatology-and-venereology/id916759316) | — | Free | Health & Fitness |
| [Heroes Health Initiative](https://appshunter.io/ios/app/heroes-health-initiative/id1624055249) | 3.0 (2) | Free | Health & Fitness |
| [FREE ACNE](https://appshunter.io/ios/app/free-acne/id1618246530) | 1.0 (1) | Free | Health & Fitness |

## Related topics

[20 questions on acne in 2020](https://appshunter.io/ios/topics/20-questions-on-acne-in-2020) · [acne intelligence](https://appshunter.io/ios/topics/acne-intelligence)

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-01.*
