Glutathione injections, with honest expectations

What is a glutathione injection?

Glutathione is a small molecule made by the body's own cells, particularly in the liver, where it acts as an antioxidant. In aesthetic clinics in Korea and across Asia it is commonly given intravenously, often together with vitamin C, with the aim of supporting a brighter, more even-looking complexion.

It is important to be clear about what the evidence shows:

• Laboratory studies show glutathione can influence melanin production, shifting it towards lighter pigment.
• Clinical studies on skin brightening are small and results are mixed; any change tends to be subtle and temporary.
• It does not treat melasma, sun spots or freckles on its own — those respond far better to targeted treatments such as pico lasers or toning.

Many patients simply enjoy it as a restful add-on after a long flight or a busy day of sightseeing, while waiting for another treatment, or as part of a broader brightening plan.

Glutathione versus whitening injections

You may see the same drip called a “whitening injection” elsewhere. At Bailor the formula is the same; the name simply reflects why people ask for it. We explain the brightening side, and how it fits with lasers, on our whitening injections page.

Glutathione drip options and prices

Glutathione is part of our IV drip menu. The doctor chooses the formula after a short screening:

Prices in KRW, 10% VAT not included, updated September 2026. More options on the IV therapy page.

Who tends to choose it

• Visitors who want a quiet, low-commitment treatment between other appointments.
• Patients on a brightening laser course who want to add antioxidant support.
• People who feel run-down after travel and like the hydration of an IV.

If your main concern is a specific mark, patch or redness, tell the doctor — a targeted laser or skin treatment is usually more effective than adding more drips. The doctor may also suggest skipping the drip altogether if it adds little to your plan.

What you may notice after glutathione

Some patients notice they look more rested after a drip, partly from hydration. Any brightening effect, if it appears, usually needs several weekly sessions and fades when they stop. For a more predictable change in tone, the doctor may suggest pairing drips with brightening treatments such as laser toning.

How a glutathione drip visit works

1. Doctor screening We check allergies, medications, pregnancy and kidney or liver conditions.
2. IV line The medical team places a fine IV line in your arm; most people feel a brief pinch.
3. Rest & drip You relax in a quiet bed for about 20–40 minutes while the drip runs.
4. Back to your day No downtime; a small plaster on the arm is all you leave with.

Because it has no downtime, a glutathione drip pairs well with same-day treatments — for example, after Genesis toning or a facial. For visible brightening, sun protection matters more than any drip; daily SPF helps keep any improvement.

Side effects and who should not have glutathione

IV glutathione is generally well tolerated at the doses used in clinics, but it is still an intravenous medical treatment:

• Common: a small bruise or tenderness where the IV line was placed; a cool sensation in the arm during the drip.
• Less common: light-headedness, nausea, headache or a feeling of warmth; tell the team and the drip can be slowed.
• Rare: allergic reaction, vein inflammation (phlebitis) or infection at the IV site; severe skin reactions have been reported very rarely with intravenous glutathione.

Not suitable, or check with the doctor first, if you

• are pregnant or breastfeeding;
• have asthma, kidney or liver disease, or a history of allergic reactions to IV treatments;
• have G6PD deficiency or kidney stones (relevant to high-dose vitamin C);
• take regular prescription medicines or are having cancer treatment.

Glutathione FAQ