AHA and BHA are types of hydroxy acids contained in skincare products such as cleansers, toners, moisturizers, scrubs, peels, and masks. Both work as skin exfoliants that remove dead skin cells.

Many skincare products utilize AHA and BHA in treating acne-prone skin, large pores, unevenness, or wrinkle lines on the face. Before you try them, know the side effects of products that contain AHA and BHA.

AHA and BHA Side Effects

AHA-containing products can be applied for all skin types, especially sensitive or overly dry skin. You may need to use them gradually before applying them to your skin every day.

AHA works by exfoliating the skin, so you need to be aware of the following side effects of using AHA:

• Burning sensation on the skin
• Reddish rash
• Swelling
• Skin discoloration
• Skin blisters
• Skin peeling
• Itching of the skin
• Irritation
• Chemical burns or skin irritation that may feel like a burn
• Increased risk of sunburn (your skin may become more sensitive to sunlight)

While BHA is usually applied to treat acne and sun-damaged skin, BHA goes deep into the hair follicles to dry out excess oil and remove dead skin cells, so they don't clog pores. BHA works best in combination with oily skin.

In low concentrations, BHA can help soothe sensitive skin and reduce redness. However, at higher concentrations, BHA can be irritating to the skin, so you may need to try it on a small area of skin before applying it to the face.

BHA can cause other side effects, such as:

• Redness
• Itching
• Burning sensation
• Increased sensitivity to sunlight (skin becomes more prone to sunburn)
• Dry skin due to decreased production of natural skin oils
• Allergic reactions, such as swelling or irritation

Can AHA and BHA Be Used Together?

AHA and BHA can be used together. Using both acids in skincare can help address different skin concerns at the same time.

However, since they are both acids, it is important to start with low concentrations and monitor skin reactions. If you want to use both acids together, it is better to consult a doctor first to prevent irritation and other side effects.

How to Safely Use AHA and BHA

According to dermatologists, the risk of side effects can be lowered if the concentration of AHA is below 10% and BHA is below 1-2%. To avoid possible side effects, follow these safe ways:

• Test on a small area of skin, such as the back of your hand. If the skin shows a reaction of redness, itching, or burning sensation, then do not use on facial skin.
• Follow the instructions on the label or as prescribed by your doctor.
• Avoid using products containing AHA and BHA more than recommended.
• Do not give AHA and BHA-containing products to infants or children without a doctor's supervision.
• Use sunscreen daily to reduce the risk of skin irritation or damage from sun exposure, especially while using products containing AHA and BHA.

You don't have to use a combination of AHA and BHA in one product. You can choose to use AHA or BHA alone according to your skin condition and care needs. AHA are probably the most friendly to all skin types. BHA, on the other hand, is more suitable for calming inflammation and relieving acne.

Talk to your doctor about which product suits your skin needs. If you must use a combination of both, always monitor for any side effects or allergic reactions that may occur.

If you need medical advice or consultation, you can either visit a doctor or make use of the consultation features that are available in the Ai Care application by downloading the Ai Care application from the App Store or Play Store.

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