The 10-step Korean skincare routine is a popular regimen that involves using a series of products to achieve healthy, radiant, and well-toned skin. Here are the details of each step, along with some recommended products, positive and negative aspects, and ingredients or materials used:

1. Oil-based cleanser: This step involves using an oil cleanser to remove makeup and dirt. Positive aspects include that it is relaxing to use and removes oil-based debris such as makeup and sunscreen. Negative aspects include that it may not be suitable for oily and acne-prone skin. Recommended ingredients include macadamia oil and jojoba oil.

2. Water-based cleanser: This step involves using a gentle cleanser to remove any remaining dirt and grime. Positive aspects include that it helps prep the skin for the next steps and removes any leftover residue from the oil cleanser. Negative aspects include that it may not be suitable for sensitive skin. Recommended ingredients include green tea, rice extract, and pearl extract.

3. Exfoliator: This step involves using a physical or chemical exfoliator to clean pores and remove dead skin cells. Positive aspects include that it helps brighten and smooth the skin and helps other skincare products absorb and work more efficiently. Negative aspects include that it may not be suitable for sensitive skin. Recommended ingredients include AHA, BHA, and PHA.

4. Toner: This step involves using a toner to balance the pH level of the skin and remove any leftover residue from the cleanser. Positive aspects include that it helps prep the skin for the next steps and can offer gentle exfoliation, moisture replenishing, and skin tone correction. Negative aspects include that it may not be suitable for sensitive skin. Recommended ingredients include soybeans, tea tree, and hydroxy acids.

5. Essence: This step involves using an essence to hydrate and nourish the skin. Positive aspects include that it helps improve skin texture and can address specific skin issues like wrinkles and pigmentation. Negative aspects include that it may not be suitable for oily and acne-prone skin. Recommended ingredients include snail mucin, hyaluronic acid, and niacinamide.

6. Serum/Ampoule/Booster: This step involves using a product that contains active ingredients to address specific skin issues like wrinkles and pigmentation. Positive aspects include that it can help improve skin texture and can be customized to address specific skin concerns. Negative aspects include that it may not be suitable for sensitive skin. Recommended ingredients include vitamin C, retinol, and peptides.

7. Sheet mask: This step involves using a sheet mask to infuse the skin with concentrated essence. Positive aspects include that it promotes relaxation and can address specific skin concerns like hydration and brightening. Negative aspects include that it may not be suitable for sensitive skin. Recommended ingredients include cucumber, green tea, and rose.

8. Eye cream: This step involves using an eye cream to hydrate and nourish the delicate skin around the eyes. Positive aspects include that it can help reduce the appearance of fine lines and wrinkles and can address specific skin concerns like dark circles and puffiness. Negative aspects include that it may not be suitable for sensitive skin. Recommended ingredients include caffeine, retinol, and vitamin K.

9. Moisturizer: This step involves using a moisturizer to hydrate and nourish the skin. Positive aspects include that it helps lock in moisture and can address specific skin concerns like dryness and sensitivity. Negative aspects include that it may not be suitable for oily and acne-prone skin. Recommended ingredients include ceramides, shea butter, and glycerin.

10. Sunscreen: This step involves using a sunscreen to protect the skin from harmf...