Skip to content
Professional-C Serum 10%

Professional-C Serum 10%

Professional-C Serum 10% is a high-potency antioxidant serum containing 10% L-ascorbic acid, priced at $94.00. Formulated for dry or sensitive skin, it brightens complexion, reduces fine lines, and shields against oxidative stress. Ideal for daily morning routine to improve skin radiance.

$94.00

● In stock

Buy at SAYN Beauty →

Price and availability may change. Click to see current details on SAYN Beauty.

Key features

  • 10% L-ascorbic acid for potent antioxidant protection
  • Gentle, fragrance-free formula ideal for dry or sensitive skin
  • Hydrating base with glycerin and hyaluronic acid
  • Brightens uneven tone and reduces visible fine lines
  • Airtight pump preserves stability and prevents oxidation
  • Travel-size 1 oz (30 ml) bottle for convenient use

Pros

  • +High antioxidant concentration without harsh irritation
  • +Hydrating ingredients keep skin comfortable
  • +Stable packaging maintains vitamin C potency
  • +Suitable for daily morning routine
!

Cons

  • May cause mild tingling on very sensitive skin
  • Requires sunscreen due to increased photosensitivity
  • Higher price point compared to basic vitamin C creams

About Professional-C Serum 10%

What is Professional-C Serum 10%?

Professional-C Serum 10% is a concentrated antioxidant treatment that delivers a stable form of L-ascorbic acid directly to the skin. At a 10% concentration, the serum balances efficacy with tolerance, making it suitable for dry or sensitive complexions that often react to higher-strength vitamin C products.

Regular use of the serum helps neutralize free radicals generated by UV exposure and pollution, supporting collagen synthesis and improving skin texture over time. The formula is packaged in an airtight pump to preserve potency and prevent oxidation.

Key features

  • 10% L-ascorbic acid — clinically effective antioxidant level.
  • Gentle formula — free of harsh fragrances and irritants.
  • Hydrating base — includes glycerin and hyaluronic acid for moisture retention.
  • Brightening effect — targets uneven tone and dullness.
  • Anti-aging support — helps smooth fine lines and improve elasticity.
  • 1 oz (30 ml) bottle — travel-friendly size.

Apply a few drops to cleansed skin each morning, allowing it to absorb before layering moisturizer and sunscreen. The lightweight texture leaves no residue, making it compatible with both oil-based and water-based skincare routines.

Who is Professional-C Serum 10% for?

The serum is designed for individuals with dry, sensitive, or mature skin who seek a potent yet non-irritating vitamin C solution. It works well for those experiencing early signs of photo-damage, uneven pigmentation, or a lack of radiance, and it pairs nicely with moisturizers that reinforce barrier function.

How does Professional-C Serum 10% compare?

Compared with over-the-counter vitamin C creams that often sit below 5% concentration, this serum offers a higher antioxidant payload while maintaining a soothing base. It is less aggressive than 15–20% pure ascorbic acid serums, which can cause tingling or redness on sensitive skin. In the broader category of brightening treatments, it delivers a focused, antioxidant-first approach rather than relying on niacinamide or glycolic acid alone.

Overall, Professional-C Serum 10% offers a balanced blend of potency and gentleness, making it a reliable addition to anti-aging regimens. For best results, pair it with a broad-spectrum sunscreen and a moisturizer containing ceramides to lock in hydration. Consistent use over several weeks typically yields a brighter, smoother complexion with reduced visible signs of environmental stress. It is also suitable for use under makeup without causing pilling or irritation.

🎯

Best use cases

  • Morning brightening step before sunscreen
  • Targeting post-sun exposure dullness
  • Reducing fine lines around eyes and mouth
🛒

Is Professional-C Serum 10% right for you?

Buy Professional-C Serum 10% if you have dry or sensitive skin and want a clinically effective vitamin C treatment that won’t sting. It’s ideal for beginners who prefer a gentle yet potent formula, as well as seasoned users looking to supplement a routine with antioxidant support. Alternatives include lower-strength vitamin C creams for very reactive skin, or higher-strength 15-20% serums for those who tolerate stronger acids. Pair with a moisturizer and sunscreen for best results.

How it compares: Compared with budget vitamin C creams that typically contain 5% or less, Professional-C Serum 10% delivers double the antioxidant power while maintaining a soothing base. It sits between mild low-strength moisturizers and aggressive high-strength serums, offering a balanced option for those who need efficacy without the risk of irritation.

More from SAYN Beauty

?

Frequently Asked Questions

What is the concentration of vitamin C in Professional-C Serum 10%?

The serum contains 10% L-ascorbic acid, which is considered a high-potency level for topical antioxidants. This concentration is strong enough to provide noticeable brightening and anti-aging benefits while remaining tolerable for most dry or sensitive skin types. through regular use.

Does Professional-C Serum 10% cause irritation?

Most users with dry or sensitive skin report minimal irritation because the formula is fragrance-free and includes soothing humectants. A small percentage may feel a mild tingling sensation, especially if the skin barrier is compromised, but this typically subsides within minutes.

How should I apply Professional-C Serum 10%?

After cleansing and toning, dispense two to three drops onto your fingertips. Gently press the serum onto the face and neck, avoiding the eye area, and allow it to absorb for about a minute before applying moisturizer and sunscreen. Use it each morning for optimal antioxidant protection.

Is the serum suitable for use under makeup?

Yes, the lightweight texture of Professional-C Serum 10% absorbs quickly and leaves no oily residue, making it an excellent base beneath foundation or concealer. It does not cause pilling when layered with typical makeup products, though you should allow the serum to fully dry before applying cosmetics.

Can I use Professional-C Serum 10% with other active ingredients?

The serum pairs well with most moisturizers and sunscreen, and can be layered under retinol or peptide treatments in the evening. However, avoid simultaneous use with strong acids such as glycolic or salicylic acid to prevent potential over-exfoliation. Introduce new actives gradually and monitor skin response.

How much does Professional-C Serum 10% cost?

Professional-C Serum 10% is $94.00 at SAYN Beauty. Prices may change — click through to SAYN Beauty for the latest.

Is Professional-C Serum 10% in stock at SAYN Beauty?

Yes, Professional-C Serum 10% is currently in stock at SAYN Beauty.

Specifications

SKU
OBI-50515
Last updated May 14, 2026