Tretinoin-strength

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POSTED: 4 Dec 2023

Which Tretinoin Strength is Best for Your Skin?

Also known as acid or by the brand name , tretinoin has been a staple in dermatology for . is one of the most effective topical treatments. It can address issues such as , , and texture as well as . However, it can be hard to get accessible information about this skincare hero. This is mainly because it is a prescription-only medicine. One of the most asked questions is what strengths tretinoin comes in and if this affects its . In this article, we explore the different tretinoin strengths and which are the best ones to start. We’ll also discuss whether there is a tretinoin strength that is best for acne, wrinkles and hyperpigmentation. We then compare strengths of in generic products, brands like Obagi and compounded formulas.

What is Tretinoin?

First of all, it’s worth quickly understanding tretinoin. Also known as Retin-A, this is a powerful derivative of vitamin A. It has a long track record of safety. support its effectiveness in , improving skin texture, evening out skin tone and smoothing wrinkles. Tretinoin is usually available as a cream or gel. It comes either as a single ingredient or with other products like or . It mainly works by rapid cell turnover and boosting collagen by your skin cells. In the US, UK and other countries, Retin-A is available by prescription only. As such, you will need a consultation with a doctor through either a .

Commonly Available Tretinoin Strengths

is available in various strengths. The most commonly concentrations in and branded formulations like Retirides or are 0.025%, 0.05% and 0.1%. These different tretinoin strengths offer a range of potency from mild to strong. The 0.025% strength is up to 5 times stronger than the highest concentration of . It is often best for beginners or those with , skin or . It provides a gentle introduction, effectively treating acne and early signs of ageing whilst minimising potential irritation. Moving up, the 0.05% tretinoin strength is up to 10 times stronger than over-the-counter . This concentration strikes a balance between safety and potency. It is a popular choice for its enhanced efficacy in reducing wrinkles and improving skin texture without being overly harsh.


For experienced retinoid users and those with severe acne, hyperpigmentation or wrinkles, 0.1% strength may be needed. This highest concentration is up to 20 times stronger than Retinol. However, with strength comes a likelihood of side effects. These , redness, peeling, and dryness. This is why it is crucial to approach higher concentrations with caution. For this reason, tretinoin is a prescription-only medicine. Your doctor or healthcare provider will take into account your skin type, of skin concerns and existing skincare routine. They will use this to determine which tretinoin strength is right for you to start on. They will then adjust the frequency and dose of your tretinoin based on how your skin responds. This will ensure optimal results with minimal side effects.

What’s the Difference Between Traditional and Compounded Tretinoin Strengths

Traditional tretinoin formulations are typically available in standard concentrations such as 0.025%, 0.05% and 0.1%. These off-the-shelf options offer consistency and reliability. They are mass-produced in batches under strict guidelines to ensure in strength and quality. They may only contain tretinoin as the active ingredient. This means you will need to use complementary skincare like , , , and . Alternatively, they may be premixed with , , or depending on use.


Compounded tretinoin formulations are mixed by specialist individually for each patient based on their prescription. The custom-made formulas are also produced under strict conditions, and quality control tests are performed on each item before dispensing. The value of this approach is that the pharmacies can create concentrations or certain combinations. They can even use base creams or gels that may not be available in standard preparations. You can access these bespoke treatments through a compound dermatologist or a number of online skincare services in the UK. Examples include , and . They will decide on the best tretinoin to start you on. They may also combine it with other active ingredients like , , , or depending on the service they provide.


are particularly good for those with unique skin or sensitivities. They allow for greater flexibility and customisation. They are also more time-saving as they allow you to use a single product rather than several. However, it’s important to note that compounded medicines may lack the extensive testing and standardisation of traditional formulas. It may also mean that you need to use lower strengths for longer periods. This is because the other ingredients in the formula may irritate the skin. That’s why it’s important to find a provider that truly treatments for each individual patient to anticipate your needs and reduce potential side effects.

How Do Obagi, Skin & Me, Dermatica and City Skin Clinic Tretinoin Strengths Compare?

is a well-established name in the skincare industry and its tretinoin is one of the most popular brands in dermatology. The Obagi tretinoin comes in three different strengths (0.025%, 0.05% and 0.1%). This product comes as a fast-absorbing cream and the 0.05% concentration is also available in gel form. The tretinoin is a stand-alone treatment and not mixed with any other active ingredients. It offers flexibility with regard to using it alone or alongside other , or . You can access with Obagi tretinoin in the UK via traditional clinics as well as some online ones.


Dermatica and Skin & Me are two examples of subscription in the UK that offer treatments with tretinoin. They provide custom-blended formulations based on an individual’s skin assessment provided via their online consultation form. Platforms like these generally a nightly cream based on their judgement of what your skin requires. If this contains tretinoin, the strength can vary widely. Services like Dermatica and Skin & Me provide anything from as little as 0.0009% up to 0.1%. Typically, subscribers of Dermatica, Skin & Me and other similar services start on a low tretinoin strength, which may then go up gradually over time. They might adjust this formula in combination with other active ingredients. They also take this into account when deciding the rate to increase the tretinoin dose.


is another UK online clinic that provides for suitable patients. Rather than working from a fixed menu, its doctors design each formula individually after an . The tretinoin concentrations range from as little as 0.001% up to 0.1%. The starting strength depends on your skin type, tolerance and concerns. Where appropriate, the formula combines tretinoin with other actives like niacinamide, azelaic acid or hydroquinone in a single nightly product. The doctor then adjusts the strength over time according to how your skin responds.

The Best Tretinoin Doses for Different Skin Concerns

There are a number of factors that affect your doctor’s decision regarding which tretinoin strength to start you on. Usually, this is the for those with sensitive skin or who are beginners to actives. However, those with previous retinoid use and tolerance to active skincare may be started on higher strengths. In general, most people will start on a lower dose and gradually go up in strength with time. However, not everyone will need to reach the highest (0.1%) strength. Some find their skin doesn’t tolerate it. Others simply don’t need it because they are already seeing good results with lower doses. As such, the optimal strength to start and continue on largely depends on your individual skin concerns and tolerance.


For those battling mild to moderate acne, a dose of 0.025% is often recommended, providing effective treatment whilst minimising irritation. As the skin adapts, some may benefit from incrementally increasing to 0.05% and then 0.1% if needed to enhance the acne-fighting properties. When addressing signs of ageing such as fine lines, wrinkles and uneven skin tone, a 0.05% concentration might sometimes be a good starting point. This suits those with a long history of Retinol use and who do not suffer from sensitivity or skin inflammatory conditions. For more pronounced anti-ageing effects, including deeper wrinkles and significant sun damage, they can then gradually go up to 0.1% if needed.

Are Higher Strengths of Tretinoin Always Better?

The idea that higher strengths of tretinoin are always better is a common misconception. In truth, the optimal strength of tretinoin varies depending on individual skin concerns, tolerance and goals. So, although higher concentrations of tretinoin are more potent and may provide quicker or more pronounced results, they also come with an increased risk of side effects. That’s why for someone with sensitive skin or new to tretinoin, it is best to start with a lower concentration.


It’s also important to note that more isn’t always better with tretinoin. Using a higher strength than your skin can doesn’t necessarily the benefits. Instead, it can lead to worse side effects and potentially harm the . The goal with tretinoin treatment is to find the lowest concentration that effectively addresses your skin concerns whilst causing the least amount of irritation. Furthermore, consistency and long-term use are key factors in achieving optimal results with tretinoin. This is regardless of the concentration. Over time, even lower strengths can yield improvements in skin texture, acne, wrinkles and other signs of ageing.

Can Skin Become Resistant to Tretinoin?

The notion that skin might become ‘used’ to tretinoin and its effects diminish over time is a common misconception. In reality, the skin simply develops a tolerance to tretinoin’s initial side effects, such as redness and peeling. This happens as it adjusts to the treatment. This increased tolerance, however, does not mean that there is a decrease in the effectiveness of tretinoin in addressing skin concerns like acne or signs of ageing. With prolonged use, tretinoin continues to offer substantial benefits. It actively promotes skin cell turnover and collagen production. However, it’s important to note that the dramatic changes seen initially with tretinoin may slow to more gradual improvements over time. This is normal as your skin improves from its baseline, but it should not be mistaken for a loss of efficacy.


If you feel that your current tretinoin strength is no longer yielding desired results, speak with your doctor as they may increase the strength or frequency. If you are using 0.1% tretinoin nightly, then this is not possible, but the solution may be to add complementary skincare treatments.



Tretinoin is probably the most powerful long-standing topical skincare available. , it can address a range of skin conditions on a variety of skin types and tones. There are a number of tretinoin strengths, and the best one to start and continue on will depend on your skin type and concerns. This is why it is a prescription-only treatment. A doctor or medical professional experienced in skincare will oversee your . They will ensure that you start on the best and safest tretinoin strength for you. They will also to adapt your frequency and dose according to your skin’s response and needs.



At City Skin Clinic, we are passionate about personalised skincare. Our online clinic offers safe and effective treatments using ingredients like and where . Our treat skin conditions like , , and . To start your personalised plan, book a or use . The journey towards great skin and hair starts here.



This article is intended for General Health & Wellbeing informational purposes only and is not a substitute for medical advice, diagnosis or treatment. Always consult a qualified medical professional with any concerns about your skin or treatment options.


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