Breaking Beauty Podcast: Live With Dermatologist Dr. Shereene Idriss

Release Date: July 2, 2025

In this vibrant episode of the Breaking Beauty Podcast, hosts Jill Dunn and Carlene Higgins engage in an enlightening conversation with renowned Manhattan-based board-certified cosmetic dermatologist, Dr. Shereene Idriss. The episode delves deep into debunking skincare myths, exploring effective aging hacks, and unveiling Dr. Idriss's highly anticipated first-ever sunscreen product. Below is a comprehensive summary capturing the essence of their dynamic discussion.

1. Welcome and Introduction [00:01 - 03:18]

Jill and Carlene kick off the episode by welcoming listeners and expressing gratitude for tuning in on a Friday. They introduce Dr. Shereene Idriss, highlighting her impressive credentials:

• Dr. Idriss is a board-certified cosmetic dermatologist with a bustling practice in Bryant Park, Manhattan, boasting a one-and-a-half-year waitlist.
• She has garnered over 4 million followers across TikTok, Instagram, and YouTube for her candid and educational take on skincare.

Quote:

"Dr. Idris has captured over 4 million followers across TikTok, Instagram and YouTube with her skin nerdiness, proud nerdiness, educating the world with her real talk takes on skincare scams." — Carlene Higgins [01:30]

2. Overview of Today's Episode [03:18 - 04:00]

The hosts outline the main topics:

• Skincare Truth Bombs: Debunking prevalent skincare myths.
• Myth Busting TikTok Trends: Specifically addressing the "caveman theory."
• Leveling Up Skincare Routines: Expert advice from Dr. Idriss.
• Sneak Peek: An exclusive look at Dr. Idriss's upcoming sunscreen product.

Quote:

"We're going to deliver some skincare truth bombs. We're going to myth bust some TikTok trends... we're going to get an exclusive sneak peek on the newest product that's coming from Dr. Idriss." — Carlene Higgins [04:00]

3. Skincare Routine Adjustments for Seasons [07:04 - 08:14]

Dr. Idriss emphasizes tailoring skincare routines to seasonal changes rather than rigidly following a set sequence of steps. She advises:

• Summer Skincare: Minimizing layers of hydrating products like toners and serums, especially in humid climates like Toronto.
• Morning Routine: Prioritizing lightweight serums under sunscreen over heavy moisturizers.

Quote:

"You do not need as much for the morning especially... you can really get away with minimizing your skincare routine in the summer." — Dr. Shereene Idriss [07:04]

4. Vitamin D: The "Cheap" Aging Hack [09:16 - 13:54]

Dr. Idriss discusses a significant study from Harvard revealing that daily supplementation of 2,000 IU of Vitamin D can slow the shortening of telomeres—protective caps on chromosomes associated with aging. Key points include:

• Study Insights: Over four years, participants on Vitamin D showed less telomere shortening, suggesting cellular rejuvenation equivalent to gaining three years.
• Supplementation vs. Natural Sunlight: While sunlight naturally produces Vitamin D, it also accelerates skin aging due to UV exposure. Dr. Idriss advocates for supplementation as a balance between obtaining essential Vitamin D and protecting skin health.

Quote:

"The telomeres on your chromosome... did not shorten as much after four years... you had gained maybe three years in terms of cellular rejuvenation." — Dr. Shereene Idriss [09:48]

Counterpoint Discussion:

• Jill Dunn's Concern: The potential misinterpretation of the study leading to negligence in using sunscreen.
• Dr. Idriss's Response: Advocates for a balanced approach, emphasizing that some sun exposure is beneficial but must be protected to prevent skin damage.

Quote:

"Vitamin D and the sun don't necessarily go hand in hand... the sun also causes degeneration and breakdown of your collagen." — Dr. Shereene Idriss [12:07]

5. Sunscreen: Clearing the Controversy [13:54 - 21:17]

A substantial portion of the conversation addresses recent controversies surrounding mineral and chemical sunscreens:

• Mineral vs. Chemical Sunscreens:
  • Mineral Sunscreens: Often marketed as safer and better but inherently leave a white cast and are made of zinc and titanium. Dr. Idriss disputes the notion that they are superior or non-toxic.
  • Chemical Sunscreens: Efficient, no white cast, and easier to layer under makeup. Concerns about neuroendocrine disruption are based on studies with unrealistic dosages not applicable to typical human use.

Quote:

"Mineral sunscreens are not better, and chemical sunscreens are not toxic." — Dr. Shereene Idriss [14:10]

• Label Accuracy Issues:
  • Dr. Idriss acknowledges reports from Australian consumer groups indicating that some sunscreens do not match their labeled SPF, attributing discrepancies to the complex nature of sunscreen testing.

Quote:

"There is going to be some level of variability... if you have an SPF of 2 and you're labeled SPF 50, that's not necessarily acceptable." — Dr. Shereene Idriss [19:41]

• Practical Takeaways:
  • Emphasizes that any sunscreen use is better than none and encourages sun-smart behavior.

Quote:

"Something is better than nothing and you're going to get vitamin D production anyway." — Dr. Shereene Idriss [21:16]

6. TikTok Skincare Trends: The Caveman Theory [26:59 - 28:56]

The hosts explore the viral "caveman skincare trend," which promotes minimalistic skin routines by avoiding face washing and other skincare steps.

• Dr. Idriss's Stance: Strongly opposes the trend, citing its promotion of unhygienic practices and potential aggravation of underlying skin conditions.
• Personal Insights: Shares experiences of patients and herself relating to the importance of maintaining a consistent skincare regimen.

Quote:

"I cannot stand by a trend that is promoting unhygienic values." — Dr. Shereene Idriss [27:34]

7. Buzzy Ingredients: Growth Factors, Exosomes, and NAD [29:54 - 35:55]

Dr. Idriss delves into the efficacy and ethical considerations of emerging skincare ingredients:

• Growth Factors and Exosomes:
  • Distinguishes between different types (human-derived, bioengineered, plant-based) and their varying effectiveness.
  • Raises ethical concerns regarding human-derived products in over-the-counter skincare.

Quote:

"There is some benefit to them. I do think the science is there, but I think we can't put the carriage before the horse." — Dr. Shereene Idriss [33:45]

• NAD in Skincare:
  • Explains NAD's role in cellular energy production and DNA repair.
  • Highlights challenges in transdermal delivery and questions the practicality of its benefits in topical formulations compared to proven ingredients like niacinamide.

Quote:

"If I had to pick between the two... I'd probably go for the niacinamide." — Dr. Shereene Idriss [35:55]

8. Speculek Skincare and Other Trending Ingredients [41:49 - 43:51]

Discussion on specific Korean beauty trends like spicule skincare:

• Spicules: Microscopic micro-needles derived from marine sponges used for gentle exfoliation.
• Cautions: Advises against their use for individuals with sensitive or inflamed skin conditions like rosacea.

Quote:

"If you have rosacea... I would probably advise that you do not go in that direction because it can irritate people and it can inflame your skin." — Dr. Shereene Idriss [42:13]

9. Favorite Dermatological Treatments [44:33 - 48:36]

Dr. Idriss shares insights into preferred cosmetic treatments currently in demand:

• Platelet-Rich Plasma (PRP) and Platelet-Rich Fibrin (PRF):
  • PRP: Liquid form, ideal for large surface areas like scalp treatments.
  • PRF: Thicker gel form, offers slower growth factor release and a subtle volumizing effect.

Quote:

"PRF is spun slower and so growth factors are released slower. It has more of a volumizing effect in the... a very nice way." — Dr. Shereene Idriss [45:14]

• Threads: Used for defining facial contours, though Dr. Idriss maintains a nuanced view, recognizing their role but emphasizing they are not a replacement for surgical facelifts.

Quote:

"Find someone who wants to work within your budget and do the little things that are going to give you the biggest bang for your buck." — Dr. Shereene Idriss [48:25]

10. Dr. Idriss's Skincare Brand and Upcoming Product Launch [49:00 - 55:53]

Transitioning to her role as a skincare brand founder, Dr. Idriss discusses the challenges and revelations in formulating effective products:

• Formulation Challenges: Emphasizes the difficulty in creating products that truly deliver on their promises, necessitating numerous iterations and rigorous testing.
• Regulatory Hurdles: Highlights the complexities of labeling and claiming benefits within legal frameworks, requiring precise language and thorough testing.

Quote:

"It's much harder when you care... in theory and in reality are two very different things." — Dr. Shereene Idriss [49:02]

11. Exclusive Sneak Peek: Disco Block Sunscreen [51:10 - 55:53]

The highlight of the episode is Dr. Idriss's introduction of her brand's first sunscreen, aptly named Disco Block:

• Dual Benefits: Not only serves as a high SPF 50 sunscreen but also contains hexylresorcinol to address discoloration, continuing her Major Fade line.
• Formulation Insights: Developed over three years with more than 50 iterations to ensure efficacy and a pleasing texture without the notorious white cast of mineral sunscreens.
• Packaging and Usage: Features a needle head nozzle for precise measurement, promoting adequate application to maximize protection and benefits.

Quote:

"This sunscreen is not just a sunscreen. It also helps to reverse the look of brown spots through an ingredient called hexylresorcinol." — Dr. Shereene Idriss [52:23]

Launch Details:

• US Launch: June 30th at $38.
• Canada Launch: Scheduled six months post-US release due to Health Canada regulations.
• Unique Selling Points: Whipped texture, lavender tone for brightening, and a "Studio 50" nostalgic theme inspired by 70s aesthetics.

12. Conclusion and Farewells [55:53 - End]

The episode wraps up with expressions of excitement for the product launch and heartfelt thanks to Dr. Idriss and listeners. Listeners are encouraged to follow the podcast on various platforms and engage with the community through social media and a private Facebook group.

Key Takeaways:

• Personalized Skincare: Adapt routines based on skin type, environmental factors, and seasonal changes rather than following a rigid sequence.
• Vitamin D Supplementation: A cost-effective method to support cellular health and potentially slow aging, without compromising skin protection.
• Sunscreen Selection: Chemical sunscreens offer practical benefits over mineral variants, with ongoing debates about safety and efficacy.
• Critical Ingredient Evaluation: Emerging skincare ingredients like growth factors, exosomes, and NAD require careful consideration regarding their formulation, ethical sourcing, and proven benefits.
• Brand Insight: Establishing a skincare brand involves navigating complex formulation and regulatory landscapes to deliver effective and trustworthy products.
• Upcoming Product: Dr. Idriss's Disco Block SPF 50 aims to provide dual protection against UV damage and existing skin discoloration, promising a blend of efficacy and aesthetic appeal.

Notable Quotes:

• "Tell me what you eat and I will tell you who you are." — Dr. Shereene Idriss [04:16]

• "Mineral sunscreens are not better, and chemical sunscreens are not toxic." — Dr. Shereene Idriss [14:10]

• "Something is better than nothing and you're going to get vitamin D production anyway." — Dr. Shereene Idriss [21:16]

• "I cannot stand by a trend that is promoting unhygienic values." — Dr. Shereene Idriss [27:34]

• "It's a very easy way to help yourselves every single day." — Dr. Shereene Idriss [11:16]

This episode serves as a treasure trove of insights for beauty enthusiasts seeking to make informed decisions about their skincare routines and product choices. Dr. Shereene Idriss's expertise provides listeners with a balanced perspective amidst the ever-evolving landscape of beauty trends and innovations.