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SkinCeuticals C E Ferulic vs Phloretin CF: Which One for Your Skin?

Updated 2026-08-24

Disclosure: As an Amazon Associate I earn from qualifying purchases. This comparison contains Amazon affiliate links.

SkinCeuticals C E Ferulic (list price around $182 for 1 oz) and Phloretin CF (around $169 for 1 oz) are the two most-recommended antioxidant serums the brand makes, and they are constantly compared because they look interchangeable and are not. Both are morning L-ascorbic-acid vitamin C serums built on the same patented ferulic-acid antioxidant technology, formulated at a low pH so the vitamin C actually penetrates. The difference is who each one is for: C E Ferulic uses a higher 15% vitamin C concentration in a richer base aimed at normal, dry and mature skin, while Phloretin CF uses 10% vitamin C plus 2% phloretin in a lighter base aimed at oily and combination skin and at fading discoloration. Neither is a better product than the other in the abstract — the right pick is decided by your skin type and your main concern.

SkinCeuticals

SkinCeuticals C E Ferulic

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SkinCeuticals

SkinCeuticals Phloretin CF

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Specs Comparison

Vitamin C
SkinCeuticals C:15% L-ascorbic acid
SkinCeuticals Phloretin:10% L-ascorbic acid
Antioxidant boosters
SkinCeuticals C:1% vitamin E + 0.5% ferulic acid
SkinCeuticals Phloretin:2% phloretin + 0.5% ferulic acid
Best for
SkinCeuticals C:Normal, dry, mature skin
SkinCeuticals Phloretin:Oily, combination skin
Targets
SkinCeuticals C:Fine lines, firmness, dark spots
SkinCeuticals Phloretin:Discoloration, uneven tone, radiance
Texture
SkinCeuticals C:Silky, oil-like
SkinCeuticals Phloretin:Lightweight, fast-absorbing
pH
SkinCeuticals C:2.5–3.0
SkinCeuticals Phloretin:2.5–3.0
Size
SkinCeuticals C:1 fl oz (30 ml)
SkinCeuticals Phloretin:1 fl oz (30 ml)

Pros & Cons

SkinCeuticals C E Ferulic

Pros

  • Highest at-home vitamin C concentration here (15% L-ascorbic acid) — strong on fine lines, firmness and dark spots
  • Vitamin E plus ferulic acid stabilize the vitamin C and boost its antioxidant and daytime UV-defense synergy
  • The most-studied L-ascorbic-acid serum in prestige skincare; an ideal first antioxidant serum for dry or mature skin

Cons

  • The 15% acid concentration and richer, oil-like feel can irritate or sit heavy on oily, combination or very sensitive skin
  • List price around $182 for 1 oz is a real commitment

SkinCeuticals Phloretin CF

Pros

  • 10% L-ascorbic acid plus 2% phloretin is gentler and lighter — sits better on oily and combination skin
  • Formulated specifically for discoloration and uneven tone; phloretin adds its own brightening antioxidant action
  • Faster-absorbing and less likely to pill under sunscreen or makeup

Cons

  • Lower 10% vitamin C means slightly less anti-aging power than C E Ferulic for dry, mature skin
  • Still a prestige price (around $169 for 1 oz) and can tingle on first use

Our Verdict

Match the serum to your skin, not the price tag. Oily or combination skin, or a main goal of fading discoloration: choose Phloretin CF — it is lighter and built for exactly that. Dry, mature or normal skin focused on fine lines and firmness: choose C E Ferulic and its higher 15% vitamin C. Both are pH-optimized L-ascorbic-acid serums with the same 0.5% ferulic acid, so neither choice is a downgrade.

Best for Budget

SkinCeuticals Phloretin CF

Best for Features

SkinCeuticals C E Ferulic

Buy SkinCeuticals C E Ferulic on AmazonBuy SkinCeuticals Phloretin CF on Amazon

Buying Guide

  • 1Start with your skin type, because that is the real dividing line. C E Ferulic's 15% L-ascorbic acid and richer, oil-like base suit normal, dry and mature skin. Phloretin CF's 10% acid and lighter texture suit oily and combination skin that would find C E Ferulic heavy or irritating.
  • 2If your top concern is hyperpigmentation or an uneven tone, Phloretin CF is formulated around that goal, with 2% phloretin added specifically for discoloration. If your top concern is fine lines, loss of firmness and general antioxidant defense, C E Ferulic's higher vitamin C paired with vitamin E is the stronger match.
  • 3Use either one in the morning on clean, dry skin before moisturizer and sunscreen — the antioxidant-plus-SPF combination is where these serums earn their keep. Give any L-ascorbic-acid serum 8 to 12 weeks of daily use before judging results.
  • 4Both oxidize when exposed to light, air and heat: a serum that has turned deep orange or brown has degraded. Store either away from sunlight and keep the cap tight; refrigeration is not a substitute for good storage.
  • 5Price is close — around $169 for Phloretin CF and around $182 for C E Ferulic per 1 oz at list. Since the gap is small, let skin type and target concern decide rather than the difference.

Honourable Mentions

SkinCeuticals Silymarin CF — The lightest of the three and oil-free — built for oily and blemish-prone skin, adding silymarin and salicylic acid to the same ferulic-acid antioxidant base.View on Amazon

Frequently Asked Questions

Can you use C E Ferulic and Phloretin CF together?
Not at the same time. Both are morning L-ascorbic-acid antioxidant serums that do the same job, so you pick one for your AM routine rather than layering them. Using two low-pH vitamin C serums at once adds irritation risk without extra benefit.
Which is better for oily or acne-prone skin?
Phloretin CF. Its lighter 10% formula absorbs faster and is less likely to feel heavy than C E Ferulic's richer, oil-like base. For very oily or blemish-prone skin, SkinCeuticals also makes Silymarin CF as an even lighter, oil-free option.
Which is better for dark spots and hyperpigmentation?
Both help, but Phloretin CF is formulated specifically for discoloration and uneven tone. C E Ferulic also fades dark spots thanks to its higher 15% vitamin C, so dry or mature skin targeting pigmentation can still choose it.
Is Phloretin CF just a cheaper dupe of C E Ferulic?
No. They share the same ferulic-acid antioxidant technology but are different formulas for different skin types — Phloretin CF swaps vitamin E for 2% phloretin and uses less vitamin C. It is a sibling product, not a budget version.

Further Reading

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