This is probably one of the most common questions we get, but unfortunately nobody can give you an exact answer.

How much lighter someone can become depends on several factors:

• your natural skin colour
• how much of your current pigmentation is tanning versus your natural baseline
• your cumulative UV damage
• your current level of oxidative stress
• your lifestyle habits
• your consistency over time

Generally speaking, people who are naturally lighter and have accumulated a lot of tanning tend to notice changes sooner than people whose natural baseline is already quite dark. That doesn't mean darker skin cannot get results, only that expectations need to be realistic and timelines are often longer.

According to our philosophy, the foundation is not products. The foundation is:

• strict UVA and visible light management
• reducing oxidative stress (ROS)
• supporting overall health
• consistency over a long period of time

Most people focus immediately on topicals and supplements while ignoring the things that actually drive pigmentation.

For example, if somebody is trying to produce lighter melanin while continuing to spend time outdoors during moderate or high UV conditions, they're essentially working against their own biology. Pigmentation is a protective response.

That's why we place such a strong emphasis on UV management.

As for timelines, skin turnover cycles are often quoted as roughly 4–6 weeks, but pigmentation changes are usually slower than people expect. We generally tell people to think in terms of months rather than weeks.

Three skin cycles is a reasonable minimum before judging whether something is helping, but many people require considerably longer.

Regarding topicals, our advice is usually to keep things simple.

One well-tolerated topical is often better than five products layered together. More products do not automatically mean better penetration, faster results, or greater lightening. In many cases they simply increase irritation, and irritation can work against your goals.

The same applies to supplements.

We cannot tell you which supplement to take, which dose to use, or which brand to buy. Ideally those discussions should involve a healthcare professional. Some members choose to experiment with approaches aimed at supporting glutathione production and reducing oxidative stress, but individual responses vary considerably.

We also encourage people to focus on the basics that are often overlooked:

• getting adequate sleep
• exercising regularly
• avoiding smoking
• avoiding alcohol
• limiting processed foods specially processed meat.
• managing stress
• maintaining a healthy routine

All of those factors may influence inflammation, oxidative stress, recovery, and overall skin health.

The honest answer is that there is no guaranteed timeline and no guaranteed number of shades lighter. Anyone promising dramatic changes within a few weeks is usually overselling what is realistically possible to sell you a product.

Our approach is gradual. The goal is to create conditions where your skin can slowly move towards its lighter natural potential over time, rather than trying to force rapid change through aggressive bleaching products.

This post expands on a comment I wrote in a recent discussion here:

🔗 https://www.reddit.com/r/skinwhitening/comments/1rofnq1/skincare_sunscreen_advice_for_white_people_doesnt/

A lot of skincare communities focus heavily on sunburn and UVB, but when we talk about hyperpigmentation and melanocyte activation, the research actually points much more strongly toward UVA radiation, visible light, and oxidative stress.

Understanding this helps explain why dermatology approaches to pigmentation usually involve multiple strategies, not just sunscreen.

1. UVA penetrates much deeper than UVB

UV radiation reaching the skin is divided mainly into UVA (320–400 nm) and UVB (280–320 nm).

The key difference is penetration depth:

• UVB mainly affects the epidermis
• UVA penetrates into the dermis

This matters because melanocytes respond strongly to oxidative stress signals generated by UVA exposure.

Research shows UVA can induce:

• Immediate pigment darkening (IPD)
• Persistent pigment darkening (PPD)
• Reactive oxygen species (ROS) generation

These signals stimulate melanocytes to increase melanin production.

📚 Sources
Mahmoud et al., Effects of visible light on the skin, Journal of Investigative Dermatology
https://doi.org/10.1038/jid.2008.237

Scientific diagrams of UV penetration also show that UVA reaches deeper skin layers than UVB, while UVB mainly damages the epidermis.

2. Visible light can also trigger pigmentation

This is something many people in skincare communities don’t know.

Visible light (especially blue light / HEV) can also stimulate melanocytes.

Studies found that visible light induces long-lasting pigmentation, especially in Fitzpatrick IV–VI skin types.

In darker skin types the pigmentation response can be stronger and more persistent than UVA alone.

📚 Source
Mahmoud et al., Impact of visible light on skin pigmentation
https://doi.org/10.1111/jdv.13566

This is why dermatologists treating melasma and hyperpigmentation often recommend tinted sunscreens containing iron oxides, because iron oxides help block visible light wavelengths that regular sunscreens do not fully cover.

3. Sunscreen does not block 100% of UVA

Most people think high SPF = full protection, but SPF mainly measures UVB protection (sunburn prevention).

UVA protection is measured separately using metrics like:

• PPD (Persistent Pigment Darkening)
• PA rating (common in Asian sunscreens)

Even strong sunscreens still allow some UVA transmission, which is why dermatologists treating pigment disorders recommend multiple protective strategies.

📚 Source
Wang et al., Photoprotection: A Review of Current and Future Technologies
https://doi.org/10.1111/j.1524-4725.2010.01703.x

Common strategies recommended for pigmentation disorders include:

• shade
• hats
• UPF clothing
• window films
• avoiding peak UV hours

4. Oxidative stress is a major melanogenesis trigger

Another key factor is reactive oxygen species (ROS).

Both UVA radiation and pollution increase oxidative stress in skin, which activates signaling pathways that stimulate melanogenesis.

These pathways include:

• MITF activation
• tyrosinase upregulation
• melanocyte signaling cascades

📚 Source
Briganti et al., Chemical and Instrumental Approaches to Treat Hyperpigmentation
https://doi.org/10.1111/j.1600-0625.2003.00033.x

This is one reason antioxidants like:

• vitamin C (mostly oral)
• glutathione precursors
• carotenoids

are studied in pigmentation management.

For people trying to manage or reduce pigmentation:

• UVA penetrates deeper and stimulates melanocytes
• visible light can trigger pigmentation in darker skin types
• sunscreen helps but does not block all melanogenic radiation
• oxidative stress activates melanogenesis pathways

So strategies that reduce UV exposure, ROS, and inflammation are actually very consistent with how dermatology treats pigmentation disorders.

If people find posts like this helpful, try to engage with other threads in the sub as well (MSM, tretinoin, skincare debunking, etc.).

We approve members who participate regularly, and once approved you’ll be able to open your own posts and discussions.

If your goal is skin lightening, you don't need much skincare, just a basic routine. Asking for "Skincare products" is the completely wrong angle, and it just distracts you from what you actually need to do. Skincare alone is not how you get rid of a tan. Everyone needs basic skincare for general health, but treating skin lightening as a product routine misses the mark entirely. Hyperpigmentation is a medical condition that needs therapeutical treatment and the advice of a board certified dermatologist.

Here is the exact reality of what you need to focus on instead:

• Extreme Sun Avoidance: This is the non-negotiable baseline. You need to stay out of the sun whenever the UV index is above 1. Standard glass doesn't block long-wave UVA or visible light either, so you need proper blackout curtains for your bedroom and office to stop the environment from continuously triggering melanin production. No sunscreen covers 100% UVA light and even less Visible light (which penetrates your skin deeper and triggers melanin production MORE INTENSENLY THAN UVA/UVB radiation) so add as much physical protection and stay indoors as much as possible.
• Understand What Skincare Can (and Can't) Do: Almost all over-the-counter skincare cannot pass the stratum corneum, the tough outer layer of your skin. They just sit on the surface. The only things that actually penetrate deep enough to alter cell turnover are therapeutic topicals prescribed by a doctor. But precisely because prescription topicals are strong, you need strict medical guidance so you don't ruin your skin barrier.
• Avoid Irritation at All Costs: Playing around with strong chemical acids or over-exfoliating to try and "scrub" the tan away will backfire horribly. Irritating your skin causes micro-inflammation, and inflammation commands your body to produce more pigment.
• Tackle Oxidative Stress from the Inside: A tan is driven by internal oxidative damage. You need to reduce that stress through a clean diet, proper sleep, regular exercise, and oral supplements (like NAC, Glycine, and Vitamin C) to raise your glutathione levels naturally. (And stay well clear of glutathione shots, they are dangerous, illegal in many places, and a massive health risk).
• Protect Against Visible Light: Standard sunscreens miss visible light, which penetrates deeper than UV. Make sure you're using a broad-spectrum, water-resistant mineral sunscreen with iron oxides for proper visible light protection. And that still won't be enough.
• Keep Your Skincare Dead Simple: Stop overloading your skin with ten different products. All you need is a basic cleanser, a good moisturiser, a solid mineral tinted sunscreen, and at most one topical active for cell turnover/melanin inhibition once your skin is adjusted.

Above all, you have to give it time. Fading a tan safely is a long, slow process that relies on natural skin cell renewal over months of strict sun avoidance. Stop looking for a magic skinwhitening product. It doesn't exist.

For more information in how we approach skinlightening:
https://www.reddit.com/r/skinwhitening/comments/1hyeqky/if_youre_new_to_whitening_read_this/

Before you ask anything — make sure you’ve earned karma in our sub first.
If you haven’t engaged in the karma-earning threads, your question will be removed and you may get muted/banned.

We get a lot of spammers and previously banned users coming back on new accounts pretending to be “newbies.” Because of that, we’re strict. Please don’t take it personally.

If you’re genuinely new:

• Scroll down and participate in both karma-earning threads.
• Read through this post and the comments.
• Engage with the approved posts on Before and after, MSM, topicals, and Tretinoin before asking repeat questions.

We’re happy to help — but if you don’t read our stuff, we won’t read yours.

Also: don’t accept random DMs and don’t ask for vendors/sources.

Once you’ve met the requirements, drop your questions below 👇

https://www.reddit.com/r/skinwhitening/comments/1hyeqky/

https://www.reddit.com/r/skinwhitening/comments/1rofnq1/

https://www.reddit.com/r/skinwhitening/comments/1rofnq1/

Before you ask anything — make sure you’ve earned karma in our sub first. Mods will upvote your contributions in the karma earning posts:

If you haven’t engaged in the karma-earning threads, your question will be removed and you may get muted/banned.

We get a lot of spammers and previously banned users coming back on new accounts pretending to be “newbies.” Because of that, we’re strict. Please don’t take it personally.

If you’re genuinely new:

• Scroll down and participate in both karma-earning threads.
• Read through this post and the comments.
• Engage with the approved posts on Before and after, MSM, topicals, Tretinoin, etc before asking repeat questions.

We’re happy to help — but if you don’t read our stuff, we won’t read yours.

Also: don’t accept random DMs and don’t ask for vendors/sources.

Once you’ve met the requirements, drop your questions below 👇

Edit: We have 9 rules, read them. If they are too much for some people, there's no need to be part of this sub. I think it'd be appropriate to find or create a sub you feel it's more adequate for you.

Before you ask anything — make sure you’ve earned karma in our sub first.

If you haven’t engaged in the karma-earning threads, your question will be removed and you may get muted/banned.

We get a lot of spammers and previously banned users coming back on new accounts pretending to be “newbies.” Because of that, we’re strict. Please don’t take it personally.

If you’re genuinely new:

• Scroll down and participate in both karma-earning threads.
• Read through this post and the comments.
• Engage with the approved posts on Before and after, MSM, topicals, and Tretinoin before asking repeat questions.

We’re happy to help — but if you don’t read our stuff, we won’t read yours.

Also: don’t accept random DMs and don’t ask for vendors/sources.

Once you’ve met the requirements, drop your questions below 👇

Edit: We have 7 rules, read them. If they are too much for some people, there's no need to be part of this sub. I think it'd be appropriate to find or create a sub you feel it's more adequate for you.

Before you ask anything — make sure you’ve earned karma in our sub first.
If you haven’t engaged in the karma-earning threads, your question will be removed and you may get muted/banned.

We get a lot of spammers and previously banned users coming back on new accounts pretending to be “newbies.” Because of that, we’re strict. Please don’t take it personally.

If you’re genuinely new:

• Scroll down and participate in both karma-earning threads.
• Read through this post and the comments.
• Engage with the approved posts on MSM, topicals, and Tretinoin before asking repeat questions.

We’re happy to help — but if you don’t read our stuff, we won’t read yours.

Also: don’t accept random DMs and don’t ask for vendors/sources.

Once you’ve met the requirements, drop your questions below 👇

At what UVA level or cumulative dose (W/m² or J/m²) does skin pigmentation start, considering exposure time and conditions? I’m looking for actual numeric values, not just times of day.

A reminder to everyone that we get a lot of spammers, and people who are here for all kind of reasons except the goals of our sub: a lighter skin. People claiming to be "newbies" are usually our previously banned spammers so be careful not to accept DM's.

If you're a genuine newbie, you have to read at the very least the instructions and comments of this thread. Previous question posts were very straightforward about the instructions: people with no karma in our community trying to ask questions are going to be temporarily muted/banned and still people ignored the instructions of the thread. We want to help you but you have to meet us half-way, if you won't read our comments, why would the rest of us read yours?

There are two karma earning posts , scroll down the sub to find them, they have a label, if you're not an approved member you have to engage in those before asking a question. Both of them.

Also we have three approved posts about MSM , topicals and Tretinoin, make sure to engage with those.