01.
Retinol - 10/10
If I could recommend only one anti-aging skincare ingredient, it would probably be retinol.
Very few ingredients have the level of scientific evidence behind them that retinol does. It stimulates collagen, improves skin texture, softens fine lines, helps with pigmentation, and even improves acne.
It’s one of the true foundational ingredients in skincare.
The biggest issue is irritation. A lot of people try retinol, overdo it, get inflamed, and quit too early. That’s actually one of the reasons I developed the KaramMD Trifecta system. I wanted patients to be able to use powerful active ingredients consistently without constantly battling irritation and barrier damage.
Because consistency matters more than intensity.























19 comments
Jazmin Johnson
Thank you so much for this information I really appreciate you taking the time to give us all of these great recommendations on skin treatments, I hope one day my piggy bank ☺️gets full enough to make it to your office 😊meanwhile I will continue to follow your advice on how to improve my skin! Muchas gracias 💜you are the best 🤗🤗
Susie Foreman
I buy Retinol A in Mexico when I travel there. What percentage is the best? Isn’t Retinol stronger when you by it in Mexico than what you get in the US.
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KaramMD Skin replied:
Hi Susie—Thanks for your question! Dr. Karam doesn’t think the concentration (or percentage) is the most important thing to consider. It’s more important that you find a Retinol that you can use consistently without irritation. Ultimately, the best product is the one you can use every day for an extended period of time.
Dawn
Hi, thank you for the update. Which collagen supplement do you recommend as their is so much on the market .
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KaramMD Skin replied:
Hi Dawn—Thanks for your comment! Dr. Karam doesn’t recommend a specific collagen supplement. When shopping for collagen, prioritize hydrolyzed collagen peptides for optimal absorption. Look for targeted, clean formulas backed by third-party testing to ensure purity and effectiveness.
Alyssa Brennan Brennan
Thank you for this article. Id like the next one to cover Ultherapy, Thermage anc any/all skin tightening type devices
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KaramMD Skin replied:
Hi Alyssa — Thank you for your comment and for the suggestion! We’ll make sure to pass this along to the team as a future Journal topic. In the meantime, you may find his existing articles on energy devices and skin laxity a helpful starting point: https://karammdskin.com/blogs/expert-advice/
Janet Tucci
Thank you so much for your input and expertise! As a post menopausal woman who has fought hard to care for her skin, I would love to hear your input on anything that really helps build collagen. Unfortunately, my financial resources are limited so please keep that in mind as well. Thank you!
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KaramMD Skin replied:
Hi Janet — Thank you for your kind words and for sharing your story. The dedication you’ve shown to caring for your skin is something to be genuinely proud of. Post-menopause brings a significant drop in estrogen, which directly accelerates collagen loss , so your instinct to focus on collagen support is exactly right. The most clinically proven topical ingredients for stimulating collagen production are Retinol, Vitamin C, and peptides. The good news is that the Trifecta delivers all three in a single, simple system specifically formulated to work together for maximum efficacy. Quench supports natural collagen synthesis through its triple-action Vitamin C complex, while Illuminate combines encapsulated Retinol, Acetyl Tetrapeptide-2, and over a dozen other active ingredients to improve skin firmness, elasticity, and overall collagen density over time. Beyond topical skincare, daily SPF is non-negotiable. UV exposure is the single biggest accelerator of collagen breakdown, so protecting what you’re building is just as important as building it. We understand that budget matters, and we’d love to help you find the right starting point. Please don’t hesitate to reach out to our team directly at customerservice@karammdskin.com and we’ll make sure you’re taken care of.
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