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Key takeaways: With Oltight, known as Kang So-ra lifting, 600 shots do not pull 1.5 times harder than 400 shots. A shot is the number of times energy is divided and delivered, so 400 shots are considered when the concern is narrow and 600 shots when sagging is spread widely, while effect and duration depend more on the right tip for each area, waiting for collagen to build, and skin thickness and recovery.

After actress Kang So-ra's skin care session was shown in a video on her own YouTube channel and the device used was revealed to be Oltight, many people began searching for Kang So-ra lifting. Yet when it comes time to book Oltight, many hesitate between 400 and 600 shots, because the price difference is clear while the difference in effect is not.

Dr. Oh Seung-min does not recommend 600 shots from the outset in response to this question. To explain why, this article covers how Oltight works, what shot count means, why some feel disappointed even after 600 shots, and the standards to consider for both effect and duration.

Oltight's energy source is shortwave at a frequency of 40.68MHz. Using the principle of dielectric heating, in which heat forms on its own inside the targeted layer, it is designed to deliver energy to the mid to lower dermis and the SMAS layer while reducing the burden on the skin.

During treatment, two layers of cooling lower the skin surface temperature, and energy is described as not staying long in the fat layer, which contains little moisture. Being introduced as relatively low in pain burden is one reason many people seek out Oltight.

A shot refers to the number of times Oltight releases energy. It is easy to expect that 1.5 times the shots means 1.5 times the pulling force, but adding shots does not raise the strength of each one. The number is closer to how many portions the energy can be divided into across one face.

If the concern is concentrated in one place such as the jawline or around the mouth, 400 shots are considered, and if the whole face needs even treatment or sagging spans several areas, 600 shots are considered. The two numbers are not better or worse but options for different uses, and choosing only by the idea that more is a better deal tends to reduce satisfaction.

Some reviews say that even after 600 shots of Oltight, the change in the mirror was not large. If too few shots were not the cause, the reason is usually one of the following two.

One is which tip was used. Oltight handpieces are divided into D type and E type: D type is for thin, sensitive areas such as around the eyes, the mouth and the jawline, and E type is for areas that need firmness and volume, such as the deep cheek, cheekbones and facial contour. Spreading 600 shots evenly with a tip that does not match the area can leave the places that truly need energy with less of it.

The other is how long you waited. The tightness right after treatment is a reaction from collagen fibers contracting, and change usually begins to be felt after 2 to 3 weeks, with new collagen production known to be fully underway around 4 to 6 weeks. Not knowing this timeline and concluding after one week can make even 600 shots feel insufficient, often leading to a cycle of simply increasing shots next time.

For a face with little cheek volume and thin skin, increasing shots first can spread energy into areas that should be preserved. Dr. Oh therefore narrows the range for such people and performs Oltight carefully, centered on the D type tip.

When sagging is concentrated in the jawline alone, using 400 shots focused on that area can be more satisfying for the cost. Conversely, for someone whose face is sagging evenly throughout and whose skin is thick, 600 shots can be the more reasonable choice.

Duration should be viewed the same way. It may seem that more shots last longer, but how long Oltight lifting lasts depends more on skin thickness, the pace of aging and how well the skin recovered after the previous treatment. Rather than receiving many shots in one day, spacing sessions about a month apart to give the skin time to recover and build collagen tends to help duration.

For this, O.N Clinic measures skin thickness and degree of sagging before treatment with an AI skin analysis device called MUSE, and first plans which tip to use and how many shots for each zone. The numbers 400 and 600 are simply results that follow once that plan is complete.

If you are looking into Oltight under the name Kang So-ra lifting, we recommend checking your face and skin condition before the shot count. Going through that process often makes expectations about effect and duration much more realistic.

I worry 600 shots of Oltight will make my cheeks lose volume

Too much energy over volume that should be preserved can be a strain. Setting the tip type and shot distribution separately for each zone can ease this concern.

It has been a week since lifting and I see little difference

It takes several weeks after the initial tightness fades for new collagen to form. Rather than hurrying to book another session, watch how the change unfolds before deciding.

I don't handle pain well. Can I receive Oltight?

Oltight is introduced as a relatively less painful lifting thanks to its cooling structure that cools the surface and the way heat is generated. Still, how it feels varies by area and skin thickness, so please mention any sensitive areas during consultation.

O.N Clinic is located near Gangnam Station, so it is relatively easy to reach by subway.

If you are torn between 400 and 600 shots of Oltight, it helps to note the area that looks most saggy, when you last had lifting and any areas where you worry about losing cheek volume before your visit, so the consultation on shots and tips goes smoothly. For any questions, feel free to reach us via chat with us now.

Author: Dr. Oh Seung-min (Medical Director of O.N Clinic, graduate of Seoul National University College of Medicine, Academic Committee Chair of the Korean Society for Laser, Skin and Hair). See the full profile on the medical team page. First published 2026-10-13, last reviewed 2026-11-10

This article is for general information only, and suitable treatment and results may vary depending on each person's condition.