1. Retinol and AHAs/BHAs

Retinol, a popular anti-aging ingredient, can work wonders for your skin. However, when combined with alpha-hydroxy acids (AHAs) or beta-hydroxy acids (BHAs), it can cause excessive dryness, irritation, and even chemical burns. Both retinol and AHAs/BHAs are potent exfoliants, and using them together can strip away too many layers of your skin, leading to sensitivity. It is advisable to use retinol products on alternate nights and avoid using them simultaneously with AHAs or BHAs.

2. Retinol dan vitamin C

Vitamin C is a difficult ingredient to formulate because it is most effective in acidic pH. Meanwhile, retinol works at a more alkaline pH. When used simultaneously, it can cause irritation to facial skin. The most appropriate way is to use the two active ingredients at different times. You can use vitamin C serum in the morning to protect your skin from free radicals. In addition, retinol can be used at night to help restore the skin by repairing dead or damaged skin cells.

3. Salicylic Acid and Retinol

Salicylic acid is known for its ability to unclog pores and treat acne, while retinol helps with cell turnover and reducing signs of aging. However, using these two ingredients together can be too harsh for the skin, leading to excessive dryness and irritation. Instead, consider incorporating salicylic acid into your morning routine and retinol into your nighttime regimen to allow your skin to benefit from each ingredient without causing unnecessary stress.

4. Vitamin C + AHA/BHA

Vitamin C is acidic, especially if your skincare uses L-ascorbic acid and exfoliating acids such as AHA and BHA. This content will of course work by lowering the skin's pH and encouraging dead skin cells to peel off. The combination of vitamin C and acid for exfoliation can actually easily lower your skin's natural pH level. As a result, these skincare ingredients become a moisture barrier and irritate the skin. So, make sure not to use products that contain vitamin C and AHA/BHA because they are active skincare ingredients that should not be used together.

5. Essential Oils and Chemical Exfoliants

Essential oils are often used for their aromatic properties and potential skincare benefits. However, when combined with chemical exfoliants such as AHAs or BHAs, they can increase the risk of skin irritation and sensitivity. Chemical exfoliants already have the potential to disrupt the skin's barrier, and adding essential oils can exacerbate the issue. It's better to choose one or the other and consult a skincare professional for personalized advice.

While it is exciting to experiment with different skincare ingredients, it is crucial to be mindful of their compatibility. Mixing certain ingredients can lead to adverse effects and negate the benefits they individually provide. Remember to always read product labels, do your research, and consult with a dermatologist or skincare professional before incorporating new ingredients into your routine. By understanding which skincare ingredients don't play well together, you can ensure a safer and more effective skincare regimen. Your skin will thank you for it!