Ask ChokChok AI
Get instant answers about Professional-C Serum 20%
Try asking
Where to Buy
Weโre still tracking retailers for this one. In the meantime:
Get instant answers about Professional-C Serum 20%
Try asking
Weโre still tracking retailers for this one. In the meantime:
Obagi's medical-grade L-ascorbic acid 20% serum has been the dermatologist-clinic vitamin C standard for two decades. Same active concentration as Skinceuticals CE Ferulic at meaningfully less than half the price; the formulation is less elegant (no ferulic acid stabilization) but the active is identical. Dermatologists who use vitamin C themselves often reach for Obagi.
Other routine steps with complementary ingredients.
Side-by-side ingredient breakdowns vs. the closest alternatives.
In-clinic and at-home treatments that use the same active ingredients.

A 24-karat-gold-plated microchannel device that delivers custom serum cocktails โ usually micro-doses of Botox, hyaluronic acid, vitamins, and peptides โ into the upper dermis.

Microneedling's gentler, no-downtime sister โ a silicone-tip cartridge oscillating at ~150,000 vibrations/min that pushes serums into the epidermis without piercing the skin.

A cocktail of vitamins, amino acids, and hyaluronic acid injected into the superficial dermis โ French-born, globally adopted, endlessly remixed.
Guide
Biologique Recherche's Lotion P50 is the most polarizing product in French beauty โ a multi-acid exfoliant that smells terrible, costs โฌ70+, and has a waitlist at certain spas. We decode the formulation, the versions, the correct usage, and whether the cult reputation matches the clinical reality.
Read more โ
Guide
Spain has the deepest eye-cream bench in global beauty. We rank twelve eye treatments from Mesoestetic, ISDIN, Endocare, Natura Bissรฉ, Sesderma, MartiDerm, Bella Aurora, Xhekpon, and BABร โ from โฌ8 pharmacy legends to โฌ180 spa-grade formulas.
Read more โ
Guide
Ultra Violette is the Sydney-founded sunscreen brand that turned Australia's strict SPF regulation into a global cult moment. "SKINSCREEN" โ sunscreen formulated to feel like skincare, photograph like primer, and reapply like makeup. Here's the four-product hero set, the Australian regulatory advantage, and why the brand became a TikTok phenomenon.
Read more โ
Professional-C Serum 20% by Obagi is formulated for normal, combination, mature, dullness skin. Obagi's medical-grade L-ascorbic acid 20% serum has been the dermatologist-clinic vitamin C standard for two decades. Same active concentration as Skinceuticals CE Ferulic at meaningfully less than half the price; the formulation is less elegant (no ferulic acid stabilization) but the active is identical. Dermatologists who use vitamin C themselves often reach for Obagi.
The key active ingredients in Professional-C Serum 20% are Vitamin C, Vitamin E (Tocopherol). It's known for: 20% L-ascorbic acid at substantially less than the SkinCeuticals CE Ferulic equivalent and 20-year medical-grade reputation.
Yes, Professional-C Serum 20% targets hyperpigmentation, fine lines, dullness. 20% L-ascorbic acid at substantially less than the SkinCeuticals CE Ferulic equivalent
Professional-C Serum 20% retails for around $138, which places it in the premium range for serums. Check the "Where to Buy" section above for current retailer prices.
The main drawbacks to be aware of: less stable than ferulic-acid-buffered formulations โ keep refrigerated; premium price still; 20% L-ascorbic can sting on sensitive skin.
A suggested daily routine featuring this product, with complementary picks.
Ultime8 Sublime Beauty Cleansing Oil
Shu Uemura ยท cleanser
Gokujyun Premium Hyaluronic Acid Lotion
Hada Labo ยท toner
Vegan Kombucha Tea Essence
Dr. Ceuracle ยท essence
Professional-C Serum 20%
Obagi ยท serum
Hydrate Luxe Moisture-Rich Cream
Obagi ยท moisturizer
Anthelios UVMune 400 Invisible Fluid SPF50+
La Roche-Posay ยท sunscreen
Hydrate Luxe Moisture-Rich Cream
Obagi ยท moisturizer