Korean cleansing oils are a popular first step in the Korean skincare routine. They are used to remove makeup, sunscreen, and other impurities from the skin. Here are some details, positive and negative aspects, and ingredients or materials of some Korean cleansing oils:

1. Leejiham Dr’s Care Cleansing Oil: This cleansing oil contains mineral oil, macadamia seed oil, and hazel extract, among other ingredients.

2. Laneige Perfect Pore Cleansing Oil: This cleansing oil is made with 93% natural oils and 7% EWG green-grade ingredients, including sunflower seed oil and grapefruit peel oil.

3. ma:nyo Pure Cleansing Oil: This cleansing oil contains argan kernel oil, which is rich in antioxidants and has anti-inflammatory and moisturizing properties.

4. Pyunkang Yul Deep Cleansing Oil: This cleansing oil is unscented and contains no harsh ingredients. However, it can be difficult to rinse off.

5. Innisfree Green Tea Pure Cleansing Oil: This cleansing oil contains only 0.01% green tea extract, which is disappointing given its name.

Some positive aspects of Korean cleansing oils include their ability to effectively remove makeup and impurities from the skin. They can also be formulated with calming ingredients like beeswax, honey, and rose water to soothe the skin. However, some negative aspects include difficulty rinsing off and the presence of potential irritants in some formulations.

The ingredients or materials used in Korean cleansing oils can vary widely. Some common ingredients include mineral oil, sunflower seed oil, grapefruit peel oil, and argan kernel oil. It is important to check the ingredient list for any potential irritants or allergens before using a cleansing oil.