Mariwalla Dermatology, PLLC

Mariwalla Dermatology, PLLC A practice dedicated to excellence in medical, surgical and cosmetic dermatology.

04/24/2026

Let’s talk about one of my favorite sheet masks right now.

Masks like this are interesting because they work a little differently than most people think. Part of the magic is something dermatologists call occlusion, which changes how hydration sits on the skin.

It’s actually very similar to a skincare trend that’s been everywhere lately. And yes… the instant glow is real. But there’s a reason for that too.

Let’s break it down.




04/24/2026

Rosacea can make choosing skincare feel overwhelming. With so many products claiming to calm redness and sensitivity, it is easy to assume you need to spend more to see real results. But is that actually true, or are some of the best options hiding in plain sight at the drugstore?

Since April is National Rosacea Awareness Month, I’m sharing three of my favorite rosacea-friendly products that prove you do not have to sacrifice quality, thoughtful ingredients, or results to stay within budget.

Before you overhaul your routine or spend more than you need to, watch this first.

04/21/2026

What an incredible weekend at the 2026 ASDS Resident Cosmetic Symposium. So inspiring to spend time with the next generation of dermatologists.

The future of dermatology is bright, and I’m always honored to support residents who are passionate about learning, improving, and leading our field forward.

04/20/2026

Red light therapy is everywhere right now. From influencer routines to at home devices, everyone seems to be talking about it. But does it actually work, or is this just another trend with great marketing?

While at the ASDS Resident Symposium 2026, I sat down with two of my derm besties, Dr. Omar Ibrahimi and Dr. Nazanin Saedi, to break down the real science behind red light therapy, who may benefit, what it can realistically do, and whether it is actually worth the investment.

Before you spend your money or add another device to your routine, listen to this conversation first.

04/16/2026

Today’s debate:
Do you actually need a washcloth to properly cleanse your face? 🫧

I hear this question a lot in clinic.

The answer may surprise you…

04/15/2026

A small trick I recommend to patients all the time to help moisturize the skin.

It happens before you even step out of the shower!

Skin aging comes up in conversation all the time in my office, so I was excited to be featured in to share more about...
04/14/2026

Skin aging comes up in conversation all the time in my office, so I was excited to be featured in to share more about what is really happening beneath the surface, and how we can better support our skin over time… especially when you understand the two different ways it shows up.



04/13/2026

When it comes to sunscreen, one of the biggest things people overlook is FILM. (Remember, the 3 F's!)

Sunscreen isn’t just about what’s in the formula, it’s about how it sits on your skin. A good SPF forms an even, continuous film across your face, which is what actually protects you from UV damage. Shiseido formulated this one with self repair technology.

04/10/2026

You guys already know I’m skeptical when it comes to lip masks…

So we’re putting Stuart to the test with Byoma to see what actually makes this one different. Is it just another thick layer sitting on top...or is it actually doing something for your lips overnight? Let’s see if this one proves me wrong!

04/10/2026

This lip oil from Byoma is not just a quick fix, it’s actually working on your lips over time.

Instead of just sitting on the surface, it’s formulated to support your skin barrier so your lips stay hydrated even when you’re not wearing it. Meaning less dryness, less constant reapplying, and finally no need for 20 different lip products everywhere.

Your lips actually get better with use… which is kind of the whole point.

The conversation around the tanning bed ban continues...With spring break here and Skin Cancer Awareness Month around th...
04/08/2026

The conversation around the tanning bed ban continues...

With spring break here and Skin Cancer Awareness Month around the corner, it is more important than ever that we keep talking about the very real risks of indoor tanning.

The science has not changed, even if the policy has. Tanning beds are a known cause of skin cancer, and early exposure only increases that risk. After decades of educating patients that there is no safe tan, decisions like this only make that message harder to hear.

Read the full article at the link in my bio.



04/05/2026

Bioré's iconic Japanese sunscreen has finally made its way to the US, and us skincare lovers are freaking out for good reason. Since I happen to be in Japan right now...i'll have to let you know which I prefer.

Address

1253 Montauk Highway
West Islip, NY
11795

Opening Hours

Monday 10am - 7pm
Tuesday 10am - 7pm
Wednesday 10am - 6pm
Thursday 10am - 7pm
Friday 10am - 3pm
Saturday 9am - 2pm

Telephone

+16316653376

Website

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