- What does Mandelic Acid do in Deodorants – The Beauty Brains solo
- This episode smells – we answer fragrance questions
- Are spray sunscreens illegal? And other sunblock questions – Episode 175
- Does lip balm expire and other beauty questions – Episode 174
- What to look for in a facial sunscreen – Episode 173
- Expensive beauty products – how is their price determined? Episode 172
- Jade Rollers – Micellar water – and more – Episode 171
- The Curly Girl Method – what’s the science? episode 170
- The Return of the Beauty Brains – Episode 166
- Can you use diaper rash cream as sunscreen? Episode 162
Real Cosmetic Chemists answer your beauty questions