What Does Dermatologically Tested and Hypoallergenic Mean in Skincare?
By:
Bryan Choong
On
01/11/2024Reading time:
5 min
Summary:
When shopping for skincare products, you’ve likely come across the terms dermatologically tested and hypoallergenic on product labels. These terms are often used to suggest that a product is safe for use on sensitive skin, but what do they really mean? More importantly, are they guarantees that a product won’t cause irritation or allergies?
In this blog, we’ll break down the true meaning behind these labels and explain how hypoallergenic products are developed, helping you better understand what they offer—and what they don’t.

What Does “Dermatologically Tested” Mean?
The term dermatologically tested means that a skincare product has undergone testing under the supervision of a dermatologist. This label implies that the product has been evaluated for its safety, efficacy, and potential to cause irritation or allergic reactions.
However, it’s important to note that “dermatologically tested” doesn’t mean that the product is guaranteed to be safe for everyone. It only means that the product was tested and reviewed by dermatologists in a controlled setting. The testing process may involve applying the product to human volunteers’ skin and monitoring for any adverse reactions.
Key Points to Remember:
Dermatologically tested products have undergone safety evaluations overseen by dermatologists.
This label does not guarantee that the product will be suitable for all skin types, nor does it ensure that the product is completely free from allergens or irritants.
While this term offers some reassurance, it’s still important to check the ingredients list, especially if you have sensitive or allergy-prone skin.
What Does “Hypoallergenic” Mean?
The term hypoallergenic suggests that a product is formulated with ingredients that are less likely to cause an allergic reaction. In other words, hypoallergenic products are designed to minimize the risk of triggering allergies or irritation, making them suitable for people with sensitive skin.
However, it’s crucial to understand that hypoallergenic does not mean the product is completely free from allergens or 100% safe for all skin types. Even hypoallergenic products can still cause reactions in some individuals, particularly if they have specific sensitivities or allergies. The term simply indicates a lower likelihood of causing an allergic reaction compared to regular skincare products.
Hypoallergenic ≠ Allergy-Proof:
Hypoallergenic products are designed to be gentler on the skin, but there is always a possibility of an allergic reaction.
If you have a known allergy to specific ingredients, you should still check the product’s ingredients list, even if it’s labeled hypoallergenic.
How Skincare Manufacturers Develop Hypoallergenic Products
Creating a hypoallergenic product requires careful formulation and rigorous testing to minimize the risk of allergic reactions. Here’s a closer look at the steps involved in developing hypoallergenic skincare products:
1. Ingredient Selection
The first step in creating a hypoallergenic product is choosing non-irritating and low-allergen ingredients. Skincare manufacturers avoid using common allergens like fragrances, artificial dyes, harsh preservatives, and certain essential oils. Ingredients that are known to cause irritation or allergic reactions in large numbers of people, such as parabens and sulfates, are typically excluded from hypoallergenic formulations.
Instead, hypoallergenic products often contain soothing, skin-friendly ingredients like:
Aloe vera
Chamomile
Oat extract
Glycerin
Ceramides
These ingredients help to support the skin’s moisture barrier while reducing the likelihood of irritation.
2. Formulation and Testing
Once the ingredients are selected, the formulation undergoes extensive testing to evaluate its potential for irritation and allergenicity. In clinical settings, hypoallergenic products are tested on human volunteers with sensitive skin to see if they cause redness, itching, or other signs of irritation.
These tests are designed to ensure that the product is well-tolerated by a wide range of skin types. However, no product can be guaranteed to be 100% safe for everyone, as individual reactions can vary.
3. Patch Testing
As part of the development process, manufacturers often conduct patch tests. In these tests, the product is applied to a small area of the skin and monitored for any signs of irritation over 24 to 48 hours. Patch testing is an effective way to identify whether a product is likely to cause irritation before it’s released to the market.
While these tests are thorough, hypoallergenic does not mean the product is completely free from the possibility of causing an allergic reaction. The goal is to create a formulation that significantly reduces this risk, but individual skin sensitivities can still vary.
4. Elimination of Common Allergens
Skincare manufacturers often exclude top allergens identified by dermatological organizations, such as:
Fragrances (both synthetic and natural)
Preservatives like formaldehyde-releasers
Lanolin
Nickel
Certain essential oils
These ingredients are among the most common causes of allergic reactions in skincare products, so their exclusion helps lower the risk for consumers with sensitive skin.
Why Hypoallergenic Products Are Not 100% Safe
It’s important to remember that just because a product is labeled as hypoallergenic, it doesn’t guarantee that it’s safe for everyone. Here’s why:
1. Individual Sensitivities Vary
Everyone’s skin is different, and people can develop allergies to even the gentlest ingredients. For example, some individuals may react to natural ingredients like chamomile or certain oils, even though these are generally considered safe.
2. Product Formulations Can Vary
The term hypoallergenic is not regulated by any specific standards, meaning that different manufacturers may interpret the term differently. One hypoallergenic product may exclude certain allergens, while another might only eliminate a few. This makes it important to always review the ingredients list, especially if you have known allergies.
3. Allergies Can Develop Over Time
Even if a product doesn’t cause an immediate reaction, it’s possible to develop sensitivities over time through prolonged exposure to an ingredient. Therefore, it’s essential to stay mindful of how your skin responds to products, even those labeled hypoallergenic.
While hypoallergenic products aren’t 100% foolproof, they are formulated with great care to minimize the risk of irritation and allergies. By carefully selecting low-allergen ingredients, conducting rigorous patch tests, and excluding common irritants, skincare manufacturers create products that are gentler and safer for most people.
However, it’s essential to remember that “hypoallergenic” doesn’t guarantee that you won’t have a reaction—only that the likelihood is reduced. Always patch-test new products, review ingredient lists, and stay attuned to your skin’s needs to ensure you’re giving it the best care possible.
By understanding the effort that goes into developing hypoallergenic products, you can make more informed choices that work best for your skin.