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5 Sunblock Anti-Aging Tips MOST People Get Wrong

By: Amir Karam MD

It’s common knowledge that sun exposure causes aging-related changes to the skin. However, what many people may not realize is that sun exposure accelerates the aging process and is actually responsible for up to 70% of skin aging. Sun exposure causes collagen to break down, resulting in thinner skin, fine lines and wrinkles, darkening pigmentation, larger pores, and a range of other skin problems. 

Many people think the answer is simple: just wear sunscreen with a good SPF. But the reality is, not all sunscreens are made equally. Further, if you don’t use sunscreen correctly, which is a common problem, you won’t get the results you want. I share all the details on this in my video on how to use sunscreen to help slow the aging process. If you’re younger, in your 20s and 30s, you can start now and be way ahead of the game. 

Ready to take care of your skin at a new level and take control of the aging process? Read on to learn how to get right what most people get wrong!

1. Use the right type of sunscreen.

What is the right type of sunscreen? Look for a sunscreen that has an SPF of 30 and above. Your sunscreen should not just be a chemical block but a barrier block against the sun. Find a sunscreen that is mineral-based and broad-spectrum. This type of sunscreen has mineral ingredients such as zinc and titanium oxide at 6%-9% and above. 

There are two types of radiation: UVA and UVB. UVA causes skin aging. UVB causes sunburn and skin cancer. A chemical sunscreen can’t block UVA radiation. You will want a sunscreen with both UVA and UVB.

2. Wear sunscreen indoors.

Wearing sunscreen outdoors is a no-brainer, but most people don’t think about how important it is to wear sunscreen when you’re inside. If you’re working near a window, your skin is being exposed to the sun, as UVA and UVB aren’t blocked by glass. In this case, you might as well be outside. 

3. Re-apply frequently.

Apply sunscreen several times a day, beginning after your morning skincare routine.

3-4 hours is the longest an application of sunscreen can last. This is something many people don’t know when they are using sunscreen. They apply sunscreen one time and don’t realize that after a few hours, they may as well have nothing on their skin to protect them.

4. Don’t assume makeup with SPF is going to adequately protect your skin.

Despite what marketing messages might tell you, there is no makeup that has enough SPF to adequately protect your skin. Makeup with SPF can be thought of as a secondary level of protection. But don’t think of it as full protection. Instead, consider a powder-based, tinted sunscreen that can work as a foundation under your makeup. 

5. Apply the right amount.

Use more than you think you need–you want enough to fully cover your face and neck. Consider what you need to cover the entire face, neck, chest area, and the back of your hands. This is usually more than people think. 

KaramMD Skincare

To help people reverse the signs of age and achieve beautiful, luminous, and supple skin, I developed the KaramMD TRIFECTA, a daily skincare routine that is only three simple steps:


RINSE is a cleanser that removes toxins while softening, soothing, and hydrating the skin to help boost cell regeneration, prevent UV damage, and prepare the skin to more deeply absorb the active ingredients in the KaramMD skincare products.


QUENCH is an anti-inflammatory vitamin C serum that lightens and brightens the skin, minimizing fine lines and wrinkles and preventing the breakdown of collagen.


ILLUMINATE is an all-in-one anti-aging cream that boosts cell turnover and improves skin elasticity, reducing fine lines and wrinkles, deeply hydrating and achieving firmer, healthier, more supple skin. 

Double board-certified facial plastic surgeon, Dr. Amir Karam

Dr. Amir Karam is a world-renowned cosmetic surgeon whose experience helping patients achieve healthy, youthful-looking skin spans two decades. In his work as a facial plastic surgeon, he found the important component of a great skincare routine in achieving youthful looks was often lacking. Patients were dealing with too many skincare products and skincare trends that required too many steps for consistency. Dr. Karam spent years creating a solution for anyone who wants beautiful skin: the KaramMD skincare line.  This groundbreaking, simple, and highly-effective skincare routine is ideal for all skin types and ages.


  • KaramMD Customer Support Team

    Hi Linda,
    If you experience any dryness, you can add a simple moisturizer on top of the trifecta like cetaphil or cerave while the skin is acclimating/during dryer months.

  • KaramMD Customer Support Team

    Hi Gail,

    Both of the EltaMD sunscreens that we carry are meant for the face.

  • Ruba

    Thank you for this very informative email. I’m License Esthetician from NC, owner of skin care spa room Lotus Blossom. I always explain my customers how important to use broadspectrum sunscreen. And like you I prefer mineral (physical) spf. especially for acne suffering people
    Thank you again, Dr. Karam

  • Linda

    I wish Iluminate was a little more creamy for dry skin. I always have to top it off with a cream before foundation.

  • gail opromalla

    Dr. Karim,
    For the Elta MD, there are a few different sunscreens. Which one do you recommend for the face in particular?
    Thks, gail

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