Why I Created the Potato Pulp Serum: A Founder's Honest Take on Hyperpigmentation Serums in India

Why I Created the Potato Pulp Serum: A Founder's Honest Take on Hyperpigmentation Serums in India

I have dealt with hormonal acne for years. Not the kind that takes over your entire face, but the kind that shows up every month like clockwork, leaves a dark spot behind, and then takes forever to fade. If you know, you know.

Every time I would clear one spot, another cycle would bring a new one. And the spots from the previous month? Still there. Still staring back at me. I tried everything I could find. Vitamin C serums, niacinamide serums, alpha arbutin serums, and those all-in-one serums with 20 ingredients listed on the front label. Some did nothing. Some made it worse. And the ones that worked a little bit always came with a tradeoff that was not worth it.

That frustration is exactly where the Potato Pulp Multi-Active Serum came from. It was not a business decision first. It was a personal one.

The Problem With Dark Spot Serums in India Right Now

If you walk into any beauty store or scroll through any skincare marketplace in India today, you will find hundreds of serums claiming to fix pigmentation. But when you actually look at what is out there, most of them fall into three categories.

The Vitamin C Serums. Vitamin C is a legitimate ingredient for brightening. Nobody is disputing that. But here is the reality: a lot of people are sensitive to vitamin C, especially at the high concentrations that brands love to market. 15%, 20%, even 25% vitamin C sounds impressive on a label. But for many skin types, especially sensitive Indian skin, those percentages wreck the skin barrier. Your skin gets irritated, inflamed, and sometimes even more pigmented than before because of post-inflammatory hyperpigmentation triggered by the irritation itself. On top of that, getting a truly stabilised vitamin C formulation is incredibly difficult. Most of the vitamin C serums on the market in India have already oxidised before you even open the bottle. That brownish-yellow colour? That is not a feature. That is a degraded product.

The 25-Active Serums. Then there are the serums with a laundry list of actives. Niacinamide, hyaluronic acid, vitamin C, retinol, salicylic acid, glycolic acid, peptides, ceramides, all in one bottle. The label reads like a textbook. Sounds incredible, right? But the truth is, when you shove that many actives into a single formula, most of them are present in such tiny amounts that they cannot do anything meaningful. They are there for the ingredient list, not for your skin. These serums sell on marketing claims, not on results.

The Single Active Serums. On the other end, you have serums built around one single ingredient. A 2% alpha arbutin serum. A 10% niacinamide serum. A glycolic acid serum. These are more honest about what they contain, but the problem is that pigmentation is not a single-pathway problem. One ingredient alone can only target one part of the melanin production process. You might see some improvement, but you are leaving a lot of potential results on the table because you are only addressing one piece of a much bigger puzzle.

I know all of this because I tried all three categories on my own skin. And I kept running into the same frustration: either the serum was too harsh, too diluted, or too narrow in its approach to make a real difference on my dark spots.

What I Wanted the Potato Pulp Serum to Do Differently

When I started working on this formula, I had a very specific goal. I wanted a serum that worked on pigmentation through multiple pathways simultaneously, not just one. And I wanted it to do that without destroying the skin barrier in the process.

That meant three things had to happen in one formula:

First, gentle exfoliation. You need to remove the layer of dead, pigmented skin cells sitting on the surface so that the active ingredients can actually penetrate and do their work. Without this step, you are essentially asking your actives to work through a wall. We use glycolic acid for this because it has the smallest molecular size among AHAs, which means it can penetrate the epidermis efficiently and loosen the bonds holding those dead cells to the surface.

Second, melanin reduction through multiple mechanisms. Once the skin is prepped, the actives need to work on melanin from different angles. This is where our brightening complex comes in. It is a single, unified complex that combines alpha arbutin, glutathione, and vitamin C to target melanin at multiple steps in the production pathway simultaneously. Alpha arbutin blocks tyrosinase, the key enzyme that drives melanin production. Glutathione shifts melanin synthesis toward lighter pheomelanin instead of darker eumelanin. Vitamin C inhibits melanin production while acting as a powerful antioxidant against oxidative stress. These three are not separate ingredients thrown into the formula individually. They are designed to work as one system, targeting melanin overproduction from different angles at the same time. They work on existing dark spots and help prevent new ones from forming.

On top of that brightening complex, we added pea extract (Pisum Sativum). This is an ingredient that most people have never heard of in skincare, but it is one that genuinely excites me. Pea extract is a natural peptide that has been shown in clinical studies to reduce melanin production in skin cells, and the research on it has demonstrated results that outperform alpha arbutin when it comes to controlling melanin overproduction. It works through a different mechanism than the brightening complex, which means it adds yet another layer of melanin control without increasing irritation. It also has anti-inflammatory and skin-smoothing properties, which makes it a perfect fit for a formula that is already focused on keeping the barrier healthy. Most brightening serums do not include pea extract because it is not a headline ingredient. It does not have the marketing appeal of vitamin C or retinol. But when you are formulating for results rather than for labels, you include the ingredients that work, not just the ones that sell.

Third, barrier support built into the formula. This is where most brightening serums fail. They throw in potent actives and forget that those same actives can compromise the skin barrier if you do not support it. We built barrier protection directly into the Potato Pulp Serum with pre and postbiotics that support the skin microbiome, jojoba oil that reinforces the lipid barrier, and oat extract that calms any potential irritation from the glycolic acid. The barrier is not an afterthought in this formula. It is part of the formula.

Why Potato Pulp? And Why Did We Name the Serum After It?

I know what you are thinking. Potatoes? In skincare? Is this another ghar ke nuske situation?

Let me be very clear: this is not about rubbing a potato on your face. That is a completely different thing and honestly, I would not recommend it. Raw potato applied to your skin can be inconsistent in concentration, can harbour bacteria, and any benefits are mild at best.

What we use in the Potato Pulp Serum is concentrated potato pulp extract, which is a formulated, standardised botanical ingredient. And the reason we chose it is backed by real science.

Potato extract (Solanum Tuberosum Pulp Extract) is a genuinely impressive ingredient when you look at what it contains. It is rich in vitamin C, B-complex vitamins, potassium, and iron. It contains catecholase, an enzyme that helps address uneven skin tone. It contains azelaic acid, a naturally occurring dicarboxylic acid that is used in dermatology to treat acne, rosacea, and hyperpigmentation. It has anti-inflammatory properties that have been supported by research, including studies showing that potato peel extracts can suppress inflammatory markers.

But the real reason we chose potato pulp extract, and the reason we named the entire serum after it, is because it perfectly represents Mayskin's philosophy: taking something that people already know and trust, and formulating it in a way that actually delivers clinical-grade results. Everyone knows potatoes. Everyone has heard the dadi ka nuska about using potato slices for dark circles. We took that familiar idea and backed it with real formulation science so that the extract works at concentrations that matter, stays stable in the formula, and delivers measurable benefits alongside the other actives.

The name Potato Pulp Serum is also intentionally simple. In a market full of serums with complex, jargon-heavy names designed to sound scientific and intimidating, we wanted something that felt approachable. You should not need a chemistry degree to understand what you are putting on your skin.

Why This Serum Will Never Go on Discount

I need to be upfront about something. The Potato Pulp Multi-Active Serum will never go on sale. Not during Diwali, not during any festive season, not during any clearance event. Ever.

Here is why.

We formulated this serum with clinical-grade ingredients. The brightening complex of alpha arbutin, glutathione, and vitamin C, the glycolic acid, the pea extract, these are not cheap substitutes. They are high-purity, tested, and present at concentrations that actually work. The pre and postbiotics, the oat extract, the jojoba oil, these are not filler ingredients. Every single component serves a purpose.

When we priced the Potato Pulp Serum, we already cut our margins as aggressively as we could. Hyperpigmentation is such a common concern in India, especially for people with melanin-rich skin, and I wanted as many people as possible to be able to access a solution that genuinely works. So we absorbed a significant portion of the cost into our own margins. The price you see is the price that allows us to keep the formulation at the level it is at.

Putting it on discount would mean either compromising the formula or losing money, and neither of those options is acceptable to us.

How to Actually Use the Potato Pulp Serum (Please Read This Part)

Because this is a potent formula with active exfoliation and multiple brightening actives, you cannot treat it like a basic hydrating serum. There is a right way to introduce it into your routine, and skipping these steps will give you a bad experience.

Start slow. Begin with two to three times a week. Not every day. Your skin needs to build tolerance to the glycolic acid and the combination of actives. After two to three weeks of consistent use without irritation, you can gradually increase the frequency.

Best used at night. Night time is when your skin's cell turnover is highest. That is the window when your skin is naturally repairing and regenerating. Applying the serum at night lets the actives work alongside your skin's own renewal process, which means better results.

If you use it in the morning, sunscreen is mandatory. Glycolic acid makes your skin more photosensitive. If you apply this serum in the morning and then step out without SPF 50, you are undoing the work the serum did. You will end up with more pigmentation, not less. Always follow with sunscreen. (I recommend Mayskin's Sunny Drip SPF 50, but any broad-spectrum SPF 50 sunscreen will work.)

Layer it correctly. Cleanse (Blue Butter works great here), apply the Potato Pulp Serum, follow with a barrier-supporting moisturiser like Daily Dew, and top with sunscreen if it is morning. If your skin feels reactive at any point, scale back the frequency and make sure you are moisturising well.

Two Years of Testing Before I Was Willing to Launch It

I want to be honest about the timeline here. I have been using a version of this formula on my own skin for over two years. Not two months. Two years.

For someone with sensitive skin that is prone to hormonal acne and the dark spots that come with it, two years of personal testing is the minimum I needed before I could confidently say that this product works. I needed to see how it performed across different seasons, different hormonal cycles, and different stress levels. I needed to see whether the results were consistent. I needed to know that it did not compromise my barrier over time.

And after all of that testing, I can say with confidence that this is the product I am most proud of in the Mayskin lineup. It is the one that was born from genuine personal frustration, developed with a multi-pathway approach, formulated with barrier health as a non-negotiable priority, and tested on the hardest skin type to please: my own.

Who Is This Serum For?

The Potato Pulp Multi-Active Serum is for anyone dealing with dark spots, post-acne marks, uneven skin tone, or general hyperpigmentation. It is designed specifically for Indian skin and the Indian climate, which means it accounts for the fact that melanin-rich skin is more prone to post-inflammatory hyperpigmentation and needs actives that address that reality without causing further damage.

It is especially suited for people who have tried single-active brightening serums and were disappointed by the results, people who have had bad experiences with high-concentration vitamin C serums, people who deal with recurring hormonal acne and the dark spots that follow, and anyone who wants visible results on pigmentation without sacrificing their skin barrier.

If you are looking for an overnight miracle, this is not it. Pigmentation takes time to treat properly. But if you are willing to be consistent and patient, this serum will deliver.

Mehr Broca - Founder of Mayskin

About the Author

Mehr Broca is the founder and CEO of Mayskin. She holds a degree in engineering and an MBA in finance, entrepreneurship, and innovation from MIT World Peace University, Pune. She started Mayskin in 2024 after spending two years developing barrier-first, multifunctional skincare formulations designed specifically for Indian skin and climate. She writes about skincare, formulation, and the realities of building a D2C brand in India.

Leave a comment

Please note, comments need to be approved before they are published.