Preservatives — Pharmaceutics, D Pharm 1st year.
Chapter 3, part 2.
Recorded livestream — Jan 16, 2026.

Study this subject
https://www.youtube.com/playlist?list=PLacMvfuedRXNBGBev_KajNihbNwqaDh5C

Next lesson: Size reduction
https://youtu.be/83Zd5g4_NUw

Previous lesson: Pharmaceutical aids
https://youtu.be/R4WlVeGSGA0

Study resources and links
Android app: https://play.google.com/store/apps/details?id=co.alexis.viki
iOS app: https://apps.apple.com/in/app/my-institute/id1472483563
Website: https://www.firsthope.co.in
Instagram: https://www.instagram.com/firsthope_pharmacy
iOS organization code: DYFFUX