Dr. Meghan: Topical Vit C! Evidence, Types, Recs!

So many types of vitamin C! What does the literature actually say?
Related videos:
Dr. Meghan: Eating/Drinking Collagen: https://www.youtube.com/watch?v=K10He9LVg2g
Dr. Meghan: The Deal with SK-II (fermented skin care): https://www.youtube.com/watch?v=UdcPJXpSRco
Dr. Meghan: Antioxidants: https://www.youtube.com/watch?v=Yin9U6mm4S8
Popular Types of Vitamin C Commercially Available (not sponsored)
Ascorbic Acid:
Kiehl’s 12.5% serum (also has ascorbyl glucoside)
The Ordinary Vitamin C suspension 23% + HA spheres
The Ordinary Vitamin C suspension 30% in silicone
The Ordinary Ascorbic Acid 8% and alpha arbutin 2%
The Ordinary L-Ascorbic Acid powder
Clinique Fresh Pressed Vitamin C Booster (instructions say to mix with your moisturizer, I would be tempted to just use on its own)
CosRx Triple C Lightening Liquid
Klairs Freshly Juiced Vitamin C serum (also has sodium ascorbyl phosphate)

Ascorbic Acid/Vitamin E/Ferulic Acid:
Skinceuticals CE Ferulic (15% ascorbic acid, 1% vit E, 0.5% ferulic acid)
Drunk Elephant C-Firma serum (15% ascorbic acid, 1% vit E, 0.5% ferulic acid)

Tetrahexyldecyl Ascorbate (aka THD Ascorbate, ascorbyl tetraisopalmitate):
Skinmedica TNS serum
Peter Thomas Roth Potent-C Power Serum (also has vitamin E and ferulic acid)
Sunday Riley CEO Serum
The Ordinary Ascorbyl Tetraisopalmitate Solution 20% in Vitamin F

Aminopropyl ascorbyl phosphate:
Glossier Vit C serum

Magnesium Ascorbyl Phosphate:
The Ordinary Magnesium Ascorbyl Phosphate 10% cream

Sodium Ascorbyl Phosphate:
Klairs Freshly Juiced Vit C serum (also with ascorbic acid as above)

Ascorbyl Glucoside:
The Ordinary Ascorbyl Glucoside Solution 12%

Ethyl Ascorbic Acid:
Dr. Dennis Gross Vit C + Collagen serum
Algenist Genius Antiaging Vitamin C+ serum
The Ordinary Ethylated Ascorbic Acid 15%

References: (Too many! Youtube only leaving me enough space to list PubMed ID—enter in search bar at https://www.ncbi.nlm.nih.gov/pubmed to find full citation)
Baumann L. Skin Lightening Agents: Vitamin C (Ascorbic Acid). In: Cosmeceuticals and cosmetic ingredients. 1st ed. New York, NY: McGraw-Hill Education; 2015: 117-119.
Baumann L. Antioxidants: Ascorbic Acid (Vitamin C). In: Cosmeceuticals and cosmetic ingredients. 1st ed. New York, NY: McGraw-Hill Education; 2015: 176-181.
Farris, 2005: 16029672. Chen, 2012: 22406231. Stamford, 2012: 23174055. Al-Niami, 2017: 29104718. Pinnell, 2001: 11207686. Lin, 2005: 16185284. Wu, 2013: 23652896. Oresajo, 2008: 19146606. Fitzpatrick, 2002: 11896774. Valacchi, 2017: 28219661. Traikovich, 1999: 10522500. Humbert, 2003: 12823436. Murray, 2008: 18603326. Meves, 2002: 12445199. Austria, 1997: 9172105. Gallarate,1999: 10518678. Ahmad, 2011: 21735345. Lee, 2004: 15037917. Campos, 2008: 19159387. Ochiai, 2006: 16935471. Maia Campos, 2012: 22974986. Kameyama, 1996: 8543691. Kumano, 1998: 9742456.

Видео Dr. Meghan: Topical Vit C! Evidence, Types, Recs! канала Wellness with Dr. Meghan MD