Retinoids are one of the most important groups of ingredients used in acne treatment. They have been a cornerstone of dermatological therapy for decades because they act directly on the key mechanisms involved in the development of acne.
Unlike many other active ingredients that primarily target bacteria or inflammation, retinoids address the underlying process that drives acne formation - abnormal keratinization and pore blockage.
For this reason, they are considered a foundation of long-term acne management, particularly for individuals with persistent or recurrent breakouts.
To learn more about the broader causes and treatment of acne, see our article Adult Female Acne – Causes, Hormones, and Treatment..
What Are Retinoids?
Retinoids are derivatives of vitamin A that influence the differentiation and renewal of skin cells.
Within the epidermis, they regulate how skin cells form, mature, and are shed from the surface of the skin. In acne-prone skin, this process becomes disrupted, causing cells to accumulate within the follicular opening and combine with sebum to form comedones.
Retinoids help normalize this process and reduce the likelihood of pore blockage.
As a result, they play an important preventive role. They not only improve existing acne lesions but also help reduce the formation of new ones.
How Do Retinoids Work for Acne?
Retinoids have several important effects on the skin because they influence multiple key processes involved in acne development.
Their actions include regulating keratinization, reducing comedone formation, and indirectly decreasing inflammation. Because of these multiple benefits, retinoids are considered a cornerstone of long-term acne therapy.
Normalization of Keratinization
In acne-prone skin, abnormal accumulation of cells occurs within the follicular opening, creating the conditions for comedone formation and clogged pores.
Retinoids help normalize the skin renewal process and reduce the likelihood of developing new comedones.
Reduction of Inflammation
Retinoids indirectly reduce inflammation by preventing the formation of lesions that can lead to inflammatory acne.
Prevention of New Breakouts
Unlike some treatments that primarily target existing acne, retinoids play an important preventive role.
Consistent use can help reduce the frequency of new breakouts.
They are particularly valuable for individuals dealing with hormonal acne.
What Types of Retinoids Are Available?
Several different retinoids are used in dermatological practice. The main differences relate to their potency and their potential to cause skin irritation.
Retinol
Retinol Retinol is the most common form of retinoid found in dermocosmetic products. It must first be converted into retinoic acid within the skin, which is why it works more gradually but is generally better tolerated.
Retinal
Retinal is one step closer to the active form of vitamin A and may provide stronger effects than retinol.
Prescription Retinoids
Tretinoin and adapalene are commonly used in dermatological treatments and act directly on cellular receptors within the skin.
How to Introduce Retinoids Into Your Routine
Introducing retinoids requires a gradual approach because the skin needs time to adapt to accelerated cell turnover.
Getting Started
Retinoids are typically introduced two to three times per week.
As the skin adapts, the frequency of application can be increased gradually.
Evening Application
Retinoids are generally used in the evening because they can increase the skin’s sensitivity to sunlight.
A typical routine includes:
- Gentle cleansing
- A retinoid product
- A moisturizer
Protecting the Skin Barrier
During the first few weeks of use, dryness, redness, or mild peeling may occur. These changes result from the accelerated renewal of the epidermis.
During this adjustment period, it is important to use moisturizing products that support the skin barrier.
How Long Does It Take to See Results?
The effects of retinoids are not immediate because they depend on the gradual renewal of the skin.
During the first few weeks of treatment, some individuals may experience a temporary worsening of breakouts. This occurs because increased cell turnover can bring existing microcomedones to the surface.
This adaptation phase usually lasts several weeks until the skin’s renewal cycle stabilizes. After that, a gradual reduction in new lesions is typically observed.
Visible improvement is most commonly noticed after 6 to 8 weeks of consistent use, while long-term stabilization often requires several months of ongoing treatment.
Common Mistakes When Using Retinoids
Although retinoids are among the most effective treatments for acne, the way they are used can significantly influence treatment success.
Increasing Frequency Too Quickly
The skin needs time to adjust to retinoids. Increasing use too rapidly may lead to irritation, redness, and flaking.
Combining Too Many Active Ingredients
Using multiple strong active ingredients simultaneously can overwhelm the skin barrier and increase irritation.
Stopping Treatment Too Soon
Retinoids provide the best results when used consistently over the long term.
An Example of a Retinoid-Based Skincare Approach
The effectiveness of retinoids depends not only on the active ingredient itself but also on the overall formulation.
In dermocosmetic products, retinol is often combined with moisturizing and protective ingredients that help the skin better tolerate treatment.
Retinol is included in formulations such as Striel Milk and Retinall, where it is combined with ingredients that support the skin barrier and promote a gradual adaptation to retinoid therapy.
FAQ – Frequently Asked Questions About Retinoids and Acne
During the first few weeks of treatment, retinoids accelerate skin cell turnover. As a result, microcomedones that were already developing beneath the skin surface may emerge more quickly, leading to a temporary increase in breakouts.
In most cases, the adjustment period lasts between two and six weeks, after which the skin gradually begins to stabilize.
Yes. Mild flaking, dryness, and peeling can occur during the early stages of treatment and usually decrease as the skin adapts to the retinoid.
Yes. Retinoids help prevent clogged pores and reduce the formation of new acne lesions, making them an important part of hormonal acne management.
If introduced too aggressively, retinoids can cause irritation and temporary barrier disruption. However, they do not permanently damage the skin barrier when used correctly.
Retinoids may help improve skin texture and reduce the appearance of superficial acne scars by promoting skin renewal and collagen remodeling.
Author box
Dr. Jasmina Kozarev is a dermatovenerologist with a doctorate in the field of laser vascular procedures and a pioneer of aesthetic laser treatments in Serbia. She graduated from the Faculty of Medicine in Novi Sad as one of the best students of her generation, and she defended her doctoral thesis on laser treatment of vascular lesions in 2011. She has been a lecturer at domestic and international aesthetic and laser conferences for many years, with a special focus on dermatological acne therapy, skin regeneration and non-surgical rejuvenation.