Do You Really Need to Shampoo Twice? Episode 435

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Listener questions
How can you protect chemically treated hair while swimming regularly in chlorinated pools?
Which conditioning ingredients help prevent tangling after hair dries?
How do curl creams improve definition, and how do they differ from leave in conditioners?
Why might moisturizing shampoos leave buildup, and do you need to shampoo twice?
What do we think of iNNBEAUTY Project products?
Beauty news
We discuss The Business of Fashion’s “The Politics of Duping” and why matching a successful cosmetic product is a familiar assignment for formulators. We also look at Head & Shoulders’ scalp care collection and its updated packaging.
The Politics of product duping
Head and Shoulders launches scalp care collection
Thank you to our patrons for helping us keep the show going and for sending thoughtful questions. Heather’s hair care questions gave us plenty to discuss this week.
Approximate timestamps
0:00 Welcome and this week’s questions
0:35 Valerie’s Australia trip
2:25 IFSCC, skin research, and favorite organelles
5:30 Naturally Kiawah and natural ingredient claims
8:45 Beauty news: dupes and copying cosmetics
14:25 Head & Shoulders scalp care collection
18:45 A Japanese sunscreen follow-up
19:15 Protecting chemically treated hair from pool water
28:15 Heather’s questions and detangling ingredients
30:35 Curl creams versus leave in conditioners
34:00 Moisturizing shampoos, buildup, and washing twice
41:00 Our thoughts on iNNBEAUTY Project
43:55 Peptide percentages and raw material blends
47:00 Closing, listener questions, and supporting the show
Referenced links
The Beauty Brains
Naturally Kiawah conference
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