

The Beauty Brains
Discover the beauty and cosmetic products you should use and avoid
Real scientists answer your beauty questions
Episodes
Mentioned books

Apr 10, 2026 • 44min
NAD Hype, Dry Hair, and Color Fade - episode 423
Send us Fan MailOn today’s show we cover questions including…Does NAD skincare actually have real efficacy data?Do hair masks give better results if they are left on longer?Does shampooing after depositing the color weaken or degrade it?Is glycerin drying skin at high altitudes?Beauty NewsRefillable beauty products. Innovation or a gimmick?Approximate timestamps0:00 - Intro1:00 - Chit chat8:45 - Refillable beauty products13:20 - Listener feedback - estrogen skincare16:10 - NAD skincare23:10 - Hair masks32:00 - Shampoo removing color37:25 - Glycerin at high altitudes42:00 - EndingFive Ways to Ask a question -1. Send us a message through Patreon!2. You can record your question on your smart phone and email to thebeautybrains@gmail.com3. Send it to us via social media (see links below)4. Submit it through the following form - Ask a question5. Leave a voice mail message: 872-216-1856Social media accountson Instagram we’re at thebeautybrains2018on Twitter, we’re thebeautybrainsOn Bluesky we’re at thebeautybrainsOn Youtube we are at thebeautybrains2018And we have a Facebook pageValerie's ingredient company - Simply IngredientsPerry's other website - Chemists CornerFollow the Porch Kitty Krew instagram accountSupport the show

Mar 31, 2026 • 52min
Leaked Labs Lipstick Lesbians and Beauty Hype - episode 422
Send us Fan MailOn today’s show we cover lots of questions including…What are our thoughts on The Hair Multiplier from Le Jardin?We’ll look at Paula’s Choice new longevity serumWhat’s going on with Leaked Labs?Are various hair products bad for curls?Beauty NewsTaking beauty advice from scientists. Valerie's quoted article.Henkel buys olaplexPanthenol talkSupplier's day mentioned in the showApproximate timestamps0:00 - Intro1:00 - Chit chat5:45 - Silicones and hair9:00 - Taking beauty product advice from scientists13:50 - Henkel buys Olaplex15:05 - Panthenol study - does it do anything?23:30 - Hair multiplier product30:15 - Paula's chice longevity serum37:45 - Leaked Labs launch45:30 - Are products bad for curly hair50:50 - EndingFive Ways to Ask a question -1. Send us a message through Patreon!2. You can record your question on your smart phone and email to thebeautybrains@gmail.com3. Send it to us via social media (see links below)4. Submit it through the following form - Ask a question5. Leave a voice mail message: 872-216-1856Social media accountson Instagram we’re at thebeautybrains2018on Twitter, we’re thebeautybrainsOn Bluesky we’re at thebeautybrainsOn Youtube we are at thebeautybrains2018And we have a Facebook pageValerie's ingredient company - Simply IngredientsPerry's other website - Chemists CornerFollow the Porch Kitty Krew instagram accountSupport the show

Mar 19, 2026 • 54min
Can Rice Protein Really Grow Hair? - Episode 421
Send us Fan MailOn today’s show we cover lots of questions including…What’s the scoop on rice protein for hair?Can one improve the texture of synthetic hair?Are azelaic acid and copper peptides compatible?Will Alpharet improve 60 year old hands?What are alternatives to Crown Affair’s air dry mousse?Beauty NewsDoes rosemary oil help with hair growth?Rosemary oil vs minoxidylWhat happened to Vegan brands?Cosmetic ingredient safety checker app.Approximate timestamps0:00 - Intro1:00 - Chit chat3:50 - Rosemary oil help with hair growth12:25 - Vegan brands17:20 - Cosmetic safety checkers20:20 - Listener feedback28:00 - Rice protein and hair33:10 - Synthetic hair texture37:35 - Azelaic acid and peptides41:45 - Improving 60 year old hands48:35 - Air dry mousse51:50 - EndingFive Ways to Ask a question -1. Send us a message through Patreon!2. You can record your question on your smart phone and email to thebeautybrains@gmail.com3. Send it to us via social media (see links below)4. Submit it through the following form - Ask a question5. Leave a voice mail message: 872-216-1856Social media accountson Instagram we’re at thebeautybrains2018on Twitter, we’re thebeautybrainsOn Bluesky we’re at thebeautybrainsOn Youtube we are at thebeautybrains2018And we have a Facebook pageValerie's ingredient company - Simply IngredientsPerry's other website - Chemists CornerFollow the Porch Kitty Krew instagram accountSupport the show

Mar 11, 2026 • 54min
Beauty Dupes, Shampoo Truths, & becoming a Cosmetic Chemist - episode 420
Send us Fan MailOn today’s show we cover lots of questions including…What is nonenal odor and how do you minimize it? Does panthenol make a shampoo better?What’s an alternative to Matrix step one bleach amplifier?How expensive is it to test a product?How do you become a cosmetic chemist?Beauty NewsWirecutter hired a chemist to tell if products were real or dupes.Approximate timestamps0:00 - Intro1:00 - Chit chat7:00 - Who are the Beauty Brains?19:00 - Real or Dupe products28:30 - Noneal odor34:25 - Panthenol in shampoo?36:45 - Alternative to Matrix step one42:05 - Testing products expense48:00 - On becoming a cosmetic chemist52:25 - EndingFive Ways to Ask a question -1. Send us a message through Patreon!2. You can record your question on your smart phone and email to thebeautybrains@gmail.com3. Send it to us via social media (see links below)4. Submit it through the following form - Ask a question5. Leave a voice mail message: 872-216-1856Social media accountson Instagram we’re at thebeautybrains2018on Twitter, we’re thebeautybrainsOn Bluesky we’re at thebeautybrainsOn Youtube we are at thebeautybrains2018And we have a Facebook pageValerie's ingredient company - Simply IngredientsPerry's other website - Chemists CornerFollow the Porch Kitty Krew instagram accountSupport the show

Feb 13, 2026 • 55min
Launching a line, hair hydration, and retinaldehyde - Episode 419
They unpack why some hair glosses contain hydrogen peroxide and how gloss formulas differ from conditioning treatments. They compare retinaldehyde with adapalene and other retinoids for aging concerns. They debate practical pros and cons of terracotta skincare packaging. They explain what hair hydration really means and whether oils or water lock in moisture. They outline steps to launch your own skincare line.

Feb 2, 2026 • 48min
That product cost how much to make!? Episode 418
Send us Fan MailOn today’s show we cover lots of questions including…How much does it really cost to make products?Does goat milk have benefit on skin?Is the Paula’s Choice new serum amazing? Is Glycerin bad for hair?What ingredients should you look for in a makeup primer?Beauty NewsFDA doesn’t determine safety of PFASMen’s skin care line.Approximate timestamps0:00 - Intro1:00 - Chit chat4:00 - Beauty News14:00 - How much do products cost18:30 - Goat milk and Paula's Choics28:00 - Glycerin in hair38:00 - Ingredients in makeup primer44:00 - Ending45:30 - Teddy the Hungry Kitty CatFive Ways to Ask a question -1. Send us a message through Patreon!2. You can record your question on your smart phone and email to thebeautybrains@gmail.com3. Send it to us via social media (see links below)4. Submit it through the following form - Ask a question5. Leave a voice mail message: 872-216-1856Social media accountson Instagram we’re at thebeautybrains2018on Twitter, we’re thebeautybrainsOn Bluesky we’re at thebeautybrainsOn Youtube we are at thebeautybrains2018And we have a Facebook pageValerie's ingredient company - Simply IngredientsPerry's other website - Chemists CornerFollow the Porch Kitty Krew instagram accountSupport the show

Jan 24, 2026 • 50min
Does Pantene’s "Abundant and Strong" Really Improve Your Hair Health? - Episode 417
Send us Fan MailOn today’s show we cover lots of questions including…What are your thoughts on Pantene’s Abundant and Strong system?Is The Ordinary Lash Curl Finisher safe?Do we have recommendations on barrier repair moisturizers?Are ionic hair dryers better for your hair?Is there anything unique about the Renpure Coconut Whipped Creme Leave-in Conditioner?Beauty NewsTop 10 beauty brandsBeauty QuestionBelow are two videos talking about the science of the hair care system:https://youtu.be/9eO6AF7eFsA?si=cPQstICqh0DwN-mbhttps://youtu.be/sKWm5VQb5c4?si=jCNb4slNDvFlHcOULash Curl Finisher | The Ordinary https://share.google/tUUVW43sRX9sC8pnHApproximate timestamps0:00 - Intro1:00 - Chit chat - 4:15 - Top 10 beauty brands 10:45 - Pantene Abundant and Strong26:45 - Ordinary lash curl finisher33:10 - Barrier repair moisturizers38:45 - Ionic hair dryers43:55 - Renpure Coconut Whipped Creme Leave-in Conditioner48:15 - EndingFive Ways to Ask a question -1. Send us a message through Patreon!2. You can record your question on your smart phone and email to thebeautybrains@gmail.com3. Send it to us via social media (see links below)4. Submit it through the following form - Ask a question5. Leave a voice mail message: 872-216-1856Social media accountson Instagram we’re at thebeautybrains2018on Twitter, we’re thebeautybrainsOn Bluesky we’re at thebeautybrainsOn Youtube we are at thebeautybrains2018And we have a Facebook pageValerie's ingredient company - Simply IngredientsPerry's other website - Chemists CornerFollow the Porch Kitty Krew instagram accountSupport the show

Jan 7, 2026 • 52min
Menstral Mask Madness, When Skincare Trends Go a Little Too Far - Episode 416
Send us Fan MailOn today’s show we cover questions including…When do you need heat protectors in products?What do you think of color locker products from Fanola?Should we be worried about chemicals in our laundry detergent?Plus! our big start of the year prediction show!PredictionsGeneral trendHot ingredientCelebrity launchBeauty NewsWhat’s the secret to good skin care? Have a lot of moneyC&T most popular stories of the yearStrange skin treatmentsApproximate timestamps0:00 - Intro1:00 - Chit chat - health, reading, goals6:30 - Podcast year in review11:10 - Review 2025 Predictions16:00 - New predictions for 202620:10 - Beauty News - Secret to good skin22:05 - Top news articles of 202530:00 - Weird stuff people put on their face35:24 - When do you need heat protectors39:25 - Fanola color protecting products43:35 - Is laundry detergent causing cancer?49:50 - EndingFive Ways to Ask a question -1. Send us a message through Patreon!2. You can record your question on your smart phone and email to thebeautybrains@gmail.com3. Send it to us via social media (see links below)4. Submit it through the following form - Ask a question5. Leave a voice mail message: 872-216-1856Social media accountson Instagram we’re at thebeautybrains2018on Twitter, we’re thebeautybrainsOn Bluesky we’re at thebeautybrainsOn Youtube we are at thebeautybrains2018And we have a Facebook pageValerie's ingredient company - Simply IngredientsPerry's other website - Chemists CornerFollow the Porch Kitty Krew instagram accountSupport the show

Dec 24, 2025 • 43min
Low pH shampoo - hard water - supplement sunscreen and more - episode 415
Send us Fan MailOn today’s show we cover lots of questions including…Do low pH shampoos preserve color?Can a supplement provide you sun protection?What effects does hard water have on hair color?How significant are the health risks to taking topical tretinoin?What’s the difference between aerosol and non aerosol sprays?Beauty NewsNY SCC meetingFDA withdraws talc rule.New sunscreen in USElectrokinetics confirms BTMC is best conditioner!Question linksScience direct articleCleveland clinic article Approximate timestamps0:00 - Intro1:00 - Chit chat - SCC meeting in New York9:15 - Beauty News - FDA talc rule12:00 - Best hair conditioner15:00 - New sunscreen in the US18:15 - Low pH shampoo20:40 - Supplement sun screen24:50 - Hard water and hair29:50 - Topical tretinoin37:20 - Aerosol vs non aerosol41:05 - EndingFive Ways to Ask a question -1. Send us a message through Patreon!2. You can record your question on your smart phone and email to thebeautybrains@gmail.com3. Send it to us via social media (see links below)4. Submit it through the following form - Ask a question5. Leave a voice mail message: 872-216-1856Social media accountson Instagram we’re at thebeautybrains2018on Twitter, we’re thebeautybrainsOn Bluesky we’re at thebeautybrainsOn Youtube we are at thebeautybrains2018And we have a Facebook pageValerie's ingredient company - Simply IngredientsPerry's other website - Chemists CornerFollow the Porch Kitty Krew instagram accountSupport the show

Dec 13, 2025 • 53min
Cleaner, Safer, Better? Sorting Fact from Fiction in Today’s Beauty Buzz - episode 414
Discover the truth about combining tinted and untinted sunscreens for a flawless finish. Learn why unregulated LED masks may not live up to their claims. Explore innovative haircare launches and debate their effectiveness. Uncover the advantages of salon gloss treatments versus at-home options. Find out how to effectively engage with clean beauty believers in conversation. Lastly, hear about the issues with decyl glucoside in hair care products and tips for controlling frizz effortlessly.


