Skin whitening or skin lightening, is an increasingly popular practice for reducing pigment spots, evening out skin tone, or treating certain conditions such as melasma. Many people, both men and women, today want to achieve lighter, more even, and radiant skin. But how does it actually work? What methods are available? Injections, creams, pills, lasers, natural treatments... this article explains everything, including the effects, dosages, and precautions.
Skin whitening involves reducing the production of melanin, the pigment responsible for skin color. It can be performed for cosmetic purposes (lighter complexion, more even skin tone) or to treat hyperpigmentation, acne scars, and age spots, for example.
Not to be confused with total depigmentation (often risky), moderate bleaching or lightening is more common and generally better managed.
The main desire of men and women is above all to have an even complexion, and once this is "repaired," to consider skin lightening with an intensity based on their skin phototype (initial skin color) and the desired results.
Creams are often the first choice. They contain depigmenting active ingredients such as:
Hydroquinone (effective but controversial, banned in some countries),
Arbutin, kojic acid, vitamin C, and azelaic acid.
They are applied topically. Results appear within a few weeks but require regular application.
Most of the products contained in so-called "whitening" creams are banned.
Furthermore, their effectiveness is very limited because they in no way prevent your body from continuing to produce pigments permanently, so in our opinion, attention should be focused elsewhere.
Read more: What is the best skin whitening technique?
Glutathione, a powerful antioxidant, works by inhibiting the production of melanin. Administered intravenously, often combined with vitamin C, it gradually lightens the complexion.
Usual dosage: 600 to 1200 mg per week, as a course of several weeks. This can increase to 4 g per week depending on the individual.
Frequency: 1 to 2 weekly sessions. In practice, those who do this themselves increase the number of sessions, and those using a nurse do this once a week.
Visible results: After 4 to 12 weeks.
Side effects: Rare but possible (allergies, digestive problems). Not recommended for pregnant women or people with liver problems.
Tablets and capsules (glutathione, vitamin C, etc.)
Reduced glutathione capsules (500-1000 mg/day)
Vitamin C (boosts the effects of glutathione)
Alpha-lipoic acid
Less powerful than injections, they can nevertheless maintain long-term effects or complement other techniques.
The tablets are recommended for people who cannot have injections or whose skin tone is often lower than V-.
Tip: You can easily order tablets optimized for skin whitening online.
This treatment uses acids (glycolic, lactic, TCA) to exfoliate the surface layers of the skin.
Used for: dark spots, uneven skin tone
Sessions: 1 to 3 depending on the type of peel
Result: brighter, more even skin
Side effects: redness, temporary peeling
In some cases, this provides immediate results and often involves a mesotherapy approach to skin whitening. This is therefore performed in the office (unless users are experienced) for a treatment considered local.
The difference with injections is that it does not block the melanin process.
The laser targets melanin in the deeper layers of the skin. It's very effective on dark spots or dull skin.
Laser types: Q-Switched, PicoSure, Fraxel
Number of sessions: 2 to 5 depending on the case
Long-lasting results with proper aftercare
The advantage is relatively rapid results, but multiple sessions are required, and this in no way stops your body from producing pigment.
Some people use, for example, lemon, turmeric, aloe vera, etc.
Although popular, these methods are not very effective in the long term and can irritate the skin or cause burns.
Except for extreme doses and poor practice, these so-called natural and ancestral solutions can do no harm but have no proven effectiveness for skin lightening.
For those who want to delve deeper into the different skin whitening techniques, we strongly recommend opting for solutions that are not purely topical or highly chemical. The main goal is not to remove pigments from the deeper or shallower layers of the skin, but to achieve lasting results or minimize pigment production, thereby achieving an even and controlled complexion.
Glutathione injections: 600 to 4000 mg per week, by infusion or IM injection. Combination with other antioxidants is necessary.
Tablets: glutathione 500 to 1000 mg/day + 500 mg of vitamin C and other antioxidants recommended in combination.
Always adjust according to weight, baseline skin tone, and goals.
The dosage depends on your initial skin type and the results you want to achieve.
The higher your skin phototype, for example, Fitzpatrick skin type "V," the larger the amount you will obviously need.
The lighter your skin tone, the greater the amount and duration of use.
The number of ingredients will also be a key factor. For example, glutathione works in combination with almost all other antioxidants, so omitting them is essentially a case of going halfway.
Also, if you have used solutions such as whitening creams or other laser-type techniques, this can distort the results and justify a larger amount.
As for tablets, everything will depend on your digestive system, basically how much your body retains of the amount ingested. It is generally estimated that a person loses approximately 30% to 40% of the amount ingested due to their digestive system.
As for injections, it is recommended to take a good base of glutathione. This is generally done over 5 weeks, although it may need to be repeated once depending on your metabolism.
As for injections, it is recommended to take a good base of glutathione. This is generally done over 5 weeks, although it may need to be renewed once depending on your metabolism.
Depending on the person's weight, age, skin type, and desired results, it is estimated that the weekly dose of glutathione should be between 2 and 4 grams.
Ideally, the amount of vitamin C should be higher, and for other antioxidants, it will depend on the combinations. For example, collagen alone doesn't produce much, but when combined with glycine, its effect will be essential.
Since glutathione doesn't provide any results on its own, it is essential to combine it with other antioxidants if you want to see results.
Injections: 1 to 4 months
Tablets: 2 to 6 months
There are many factors that will improve your injections: IV rather than IM, evening rather than morning, a vegetarian rather than meat-based diet, a generally healthy lifestyle, etc.
Depending on metabolism and skin type, the first results can appear around the third week, but generally, it's after the fourth week for injections.
The main goal is to significantly increase your healthy antioxidant levels in the first few weeks, then consider light maintenance in the following weeks.
The key to success lies in the quantity, the combination of different ingredients, regularity, and all the advice given here!
Tablets are easier because all you need is a glass of water, but it will take longer.
Mesotherapeutic solutions allow you to see results for a few weeks after several sessions; maintenance will also be necessary.
No. Without maintenance (hydration, sunscreen, renewal), the results fade. Regular or maintenance treatments are often necessary.
We read a lot of false information about miraculous lasers, only a single injection session required, or even miracle products. The truth is that when you stop taking antioxidants, your melanin production process will start to produce melanin again, so maintenance should be considered after your first treatment plan.
The recommendation is therefore for people for whom this is their first skin whitening treatment, to focus on the first time, even if you think about maintenance later.
Beyond each phototype, everyone is unique, everyone has a different metabolism, and many don't necessarily want the same results. It's therefore important to find and understand what's right for you.
Lightening treatments are suitable for:
All skin types (with caution for dark skin)
People suffering from post-inflammatory hyperpigmentation, hormonal spots, etc.
Contraindicated for pregnant women or those with a history of allergies, liver, or kidney problems
You must provide photos of your skin before any treatment and then discuss your expectations with a specialist.
Skin whitening treatments depend primarily on the desired protocol or practice. For example, if a prospective user wants to use skin whitening tablets, there's no need to travel anywhere or seek professional help.
For example, you can order skin whitening tablets online efficiently with a follow-up plan and ongoing support.
If you're considering mesotherapy-type solutions, you'll first need to discuss it with a dermatologist who will explain the products used.
If you're considering skin whitening iv injections, this will depend on each country's organization and regulations. It will therefore be a case-by-case basis. For example, in some countries, such as Asia, these treatments are readily available: skin whitening in Thailand or skin whitening in Turkey. It's worth noting that skin whitening is the subject of extensive research and training in some Asian countries for dermatologists, which doesn't seem to be a real concern for dermatologists, who focus on so-called "uncomfortable" treatments, even though many perform Botox injections frequently.
Although current skin whitening techniques are much safer than before, they are not completely free of side effects. Patients may sometimes experience skin irritation, peeling, or a temporary burning sensation in the days following product application or the laser session. In rare cases, hyperpigmented rebound spots may appear, especially in the absence of adequate sun protection. This is why regular post-treatment follow-up is essential: the professional can adapt the protocol based on the skin's response and suggest adjustments to avoid any complications. Calming or restorative products such as centella asiatica or panthenol may also be recommended to soothe the skin. The success of the treatment depends as much on the technique used as on the patient's rigor in following medical instructions after the procedure. It is also not recommended to use self-medicated or corticosteroid-based lightening solutions without supervision.
The field of cosmetic dermatology is undergoing rapid evolution, including depigmentation treatments. In recent years, new active ingredients such as methylresorcinol, stabilized azelaic acid, and glabridin have demonstrated significant efficacy while being better tolerated by sensitive skin. Injectable protocols based on tranexamic acid are also offered in certain centers, particularly for cases of stubborn melasma or hormonal pigmentation. Another notable advance is the use of nanotechnologies, allowing better penetration of active ingredients without irritating the epidermis. Some laboratories are even developing intelligent formulas capable of targeting only hyperactive melanocytes, leaving natural pigmentation intact. Finally, combination treatments, combining topical care, skin nutrition, and LED phototherapy, offer more lasting results. These comprehensive approaches aim not only to lighten the complexion, but also to restore overall skin evenness and health. However, these new features are not universally accepted, so only time will tell what actually works.
The price of your skin whitening treatment will depend on:
Whether you do it in-office (or with a private nurse) or yourself
The quantity and ingredients needed for the desired results
Health parameters: your metabolism, your lifestyle
The desired duration of the effect excluding future maintenance
The equation for each skin whitening treatment will therefore be:
Your skin type and metabolism + The quantity and variety of antioxidants + the number of sessions + your budget + desired results
Your skin whitening treatment plan will therefore start at a minimum of $/€ 150-200, and can average up to $/€ 3,000.
Skin whitening is a delicate cosmetic procedure, very common but unique to each individual and requiring meticulous care. Solutions exist for each profile, but they require professional monitoring, a healthy lifestyle, and, above all, consistent sun protection. For any skin whitening project, it's best to consult an expert. At 123.clinic, we will help you choose the best technique for your needs and budget.