Where the routine came from
Korean skincare, often called K-beauty, became a worldwide trend around 2015. The idea is to treat your skin gently, keep it well hydrated, and protect it from the sun every day. Instead of one strong product, you use many light layers.
The famous "10-step routine" is more of a menu than a rule. Most people in Korea do not do all ten steps every day. You pick the steps that fit your skin and your schedule. Below we walk through all ten so you know what each one is for.
Steps 1 to 3: cleansing and exfoliating
Step 1 is an oil cleanser. Oil dissolves sunscreen, makeup, and the natural oil your skin makes. Step 2 is a water-based foaming cleanser that washes away sweat and dirt. Doing both is called double cleansing. It is useful at night if you wear sunscreen or makeup. In the morning, one gentle cleanser is usually enough.
Step 3 is exfoliation. This removes dead skin cells. Chemical exfoliants like glycolic acid or salicylic acid are gentler than rough scrubs. Dermatologists usually suggest exfoliating one to three times a week, not every day. Too much can leave skin red and raw.
Steps 4 to 7: the hydrating layers
Step 4 is toner. In K-beauty, toner is a watery lotion that adds a first layer of moisture. It is not the harsh, alcohol-based toner some people remember from years ago. Step 5 is essence, a slightly thicker liquid that also adds moisture. Honestly, toner and essence do very similar jobs, and you do not need both.
Step 6 is serum or ampoule. This is the step where the active ingredients go. Popular ones are vitamin C for brightness, niacinamide for redness and oil, and hyaluronic acid for hydration. Step 7 is a sheet mask, a cloth soaked in serum that you leave on for 15 to 20 minutes. It feels nice, but a sheet mask does about what a good serum and moisturizer do.
Steps 8 to 10: eye cream, moisturizer, sunscreen
Step 8 is eye cream. The skin around the eyes is thin, and a light cream can help with dryness. There is little evidence that eye creams do more than a regular moisturizer. Step 9 is moisturizer, which seals in all the layers before it. This step matters for everyone, even people with oily skin.
Step 10 is sunscreen, and this is the step with the strongest science. Daily broad-spectrum sunscreen with SPF 30 or higher is the single best thing you can do to prevent wrinkles, dark spots, and skin cancer. A long-term randomized trial in Australia found that people who used sunscreen daily showed less skin aging over four and a half years than people who used it only when they felt like it. Korean sunscreens are popular because many feel light and do not leave a white cast.
What the evidence says
Only a few of the ten steps have strong research behind them. Cleansing, moisturizing, and daily sunscreen are backed by decades of dermatology practice. Retinoids like tretinoin, which are prescription vitamin A creams, have more clinical trial evidence for fine lines and acne than any other topical ingredient. Oddly, retinoids are not a named step in the classic K-beauty list, but they fit well in the serum slot at night.
Steps like essence, sheet masks, and eye cream are mostly about comfort and feel. They are not harmful, but you should not expect them to change your skin on their own. If your budget or time is limited, spend it on the proven steps.
A simple version that works
Morning: gentle cleanser, a serum if you want one, moisturizer, sunscreen. Night: cleanser (double cleanse if you wore sunscreen or makeup), a treatment like tretinoin or a niacinamide serum, moisturizer. Exfoliate once or twice a week. That is five or six steps, and it covers everything that matters.
If you add tretinoin, start slowly. Use a pea-sized amount two or three nights a week, and build up as your skin adjusts. Expect some dryness or peeling in the first month. Always wear sunscreen the next morning, because retinoids make skin more sensitive to the sun.
Getting prescription help from Zen IV Spa
A good routine goes further when the active step is a real prescription. At Zen IV Spa, our medical director can prescribe tretinoin for fine lines, sun damage, and uneven tone ($99 per month), or a tailored acne and rosacea program ($119 per month). Everything starts with a free video visit, and the medication ships to your home anywhere in New York and New Jersey. Learn more at /skin/, call (332) 239-2005, or book at https://zenivspa.zenoti.com/webstoreNew/services.
Common Questions
Do I really need all 10 steps?+
No. Most people do well with four to six steps. Cleanser, moisturizer, and sunscreen are the must-haves. Add one treatment step for your main concern.
How long until I see results?+
Hydration steps feel better right away. Changes in fine lines, acne, or dark spots take 8 to 12 weeks with a retinoid or other active ingredient.
Can I use vitamin C and tretinoin together?+
Yes, but many people use vitamin C in the morning and tretinoin at night to lower the chance of irritation.
Is double cleansing bad for dry skin?+
Not if your cleansers are gentle. Use a creamy or oil-based second cleanser and skip the foaming kind if your skin feels tight afterward.
Does sheet masking every day help?+
It adds moisture, but daily masking is not needed. A good moisturizer does the same job for less money.
Sources: American Academy of Dermatology guidance on skin care routines and sunscreen; Hughes et al., sunscreen and prevention of skin aging, Annals of Internal Medicine 2013; FDA prescribing information for tretinoin cream.
All treatments are medical services. Every guest is screened, and every treatment is prescribed by a licensed provider. Nothing on this page is medical advice for you personally, and the opinions summarized here belong to the doctors named, not to Zen IV Spa. Talk to a provider before starting or stopping anything.
