Best for: Skin that looks dull, uneven or less firm, and anyone looking to support a brighter, smoother, firmer and more youthful-looking complexion with daily antioxidant support.

What is The Skin Diary Pro-Helix C Collagen Peptide Brightening Serum?

The Skin Diary Pro-Helix C Collagen Peptide Brightening Serum 30ml is a lightweight brightening serum combining a stabilised Vitamin C complex with advanced biomimetic peptides and antioxidant support.

In one daily step, the formula combines 15% THDA Vitamin C, a 4.5% dual-peptide blend and 0.5% omni-antioxidant Acetyl Zingerone. Working together, this complex is designed to support the skin's structural appearance and create an optimised environment for healthy collagen synthesis.

The formula targets micro-inflammation, oxidative stress and structural decline at the source, helping improve the appearance of radiance, firmness, smoothness and overall skin tone.

Its silky, fast-absorbing milky serum texture layers seamlessly beneath sunscreen and makeup and is suitable for sensitive skin.

Who is it best for?

The Skin Diary Pro-Helix C Collagen Peptide Brightening Serum may suit you if you:

• want a brighter and more radiant-looking complexion
• want to improve the appearance of uneven skin tone
• are concerned about loss of firmness
• want skin to appear smoother and plumper
• want to reduce the appearance of fine lines
• are looking for daily antioxidant support
• want a Vitamin C and peptide serum in one step
• prefer a lightweight, fast-absorbing serum
• want a serum that layers beneath sunscreen and makeup
• have sensitive skin

What does Pro-Helix C Collagen Peptide Brightening Serum do?

Pro-Helix C is formulated to support both the appearance and structure of healthy-looking skin.

Concerned about dullness → the formula enhances visible skin radiance and luminosity for a brighter-looking complexion.

Uneven-looking skin tone → with continued use, the complexion appears brighter, more even and refreshed.

Loss of firmness → the Vitamin C, peptide and antioxidant complex supports the skin's structural appearance, with skin appearing firmer and more resilient over time.

Fine lines → with continued use, fine lines can appear less noticeable while skin looks smoother and plumper.

Environmental stressors → the formula provides daily antioxidant support to help defend against environmental stressors that can contribute to dullness and uneven-looking skin tone.

Key Benefits

• Helps brighten the appearance of the complexion
• Enhances visible radiance and luminosity
• Supports firmer-looking skin
• Helps improve the appearance of uneven skin tone
• Helps skin appear smoother and plumper
• Fine lines appear less noticeable with continued use
• Provides daily antioxidant support
• Supports the skin's structural appearance
• Creates an optimised environment for healthy collagen synthesis
• Lightweight, fast-absorbing milky serum texture
• Layers seamlessly beneath sunscreen and makeup
• Suitable for sensitive skin

Key Ingredients & Technology

15% THDA Vitamin C
A gentle yet powerful stabilised Vitamin C complex included as part of the formula's approach to supporting a brighter, firmer and more youthful-looking complexion.

4.5% Dual-Peptide Blend
Advanced biomimetic peptides work as part of the complex to support the skin's structural appearance.

0.5% Acetyl Zingerone
An omni-antioxidant included to provide antioxidant support as part of the Pro-Helix C complex.

Why is it called Pro-Helix C?

The Vitamin C, peptide and antioxidant complex works in synergy to create an optimised environment for healthy collagen synthesis.

Collagen forms as a tri-strand interlocking helix structure, which gives Pro-Helix C its name.

What results can I expect?

Healthy-looking skin is built through consistency. Some benefits can be seen and felt earlier, while others develop gradually as the skin responds over time.

After 1 Week – The Daily Experience
The silky, lightweight serum absorbs effortlessly and layers seamlessly beneath sunscreen and makeup. Skin appears more radiant with a healthy-looking glow.

After 1 Month – Early Visible Improvements
The complexion appears brighter, more even and refreshed. Daily antioxidant support helps defend against environmental stressors that can contribute to dullness and uneven skin tone.

After 3 Months – Building Resilience
Skin feels firmer, smoother and more resilient. Fine lines appear less noticeable, while the complexion looks visibly plumper and more luminous.

After 6 Months – The Cumulative Effects
Skin appears noticeably firmer and more elastic, with improved overall radiance and a more even-looking tone. The complexion looks healthier, brighter and more youthful.

Why Choose The Skin Diary Pro-Helix C Collagen Peptide Brightening Serum?

Product type: Brightening facial serum
Size: 30ml
Vitamin C: 15% THDA Vitamin C
Peptides: 4.5% dual-peptide blend
Antioxidant: 0.5% Acetyl Zingerone
Primary concerns: Dullness, uneven-looking tone, firmness and fine lines
Texture: Lightweight, fast-absorbing milky serum
Suitable for: Sensitive skin
Routine: Layers beneath sunscreen and makeup
Brand: The Skin Diary

Is The Skin Diary Pro-Helix C right for me?

Choose this serum if: you're looking for a daily Vitamin C, peptide and antioxidant serum focused on brightness, radiance, firmness and the appearance of uneven skin tone.

It may particularly suit you if: you want these benefits in a lightweight, fast-absorbing formula that is suitable for sensitive skin and layers easily with sunscreen and makeup.

Frequently Asked Questions

What percentage of Vitamin C is in The Skin Diary Pro-Helix C?

The formula contains 15% THDA Vitamin C.

Does Pro-Helix C contain peptides?

Yes. The serum contains a 4.5% dual-peptide blend of advanced biomimetic peptides.

What antioxidant does Pro-Helix C contain?

The formula contains 0.5% omni-antioxidant Acetyl Zingerone.

What skin concerns is Pro-Helix C designed for?

It is designed to support a brighter, firmer and more youthful-looking complexion, improve visible radiance and luminosity, and help improve the appearance of uneven tone, fine lines, smoothness and firmness.

Is Pro-Helix C suitable for sensitive skin?

Yes. The formula is stated to be suitable for sensitive skin.

Can Pro-Helix C be worn under sunscreen and makeup?

Yes. Its lightweight, fast-absorbing milky texture is designed to layer seamlessly beneath sunscreen and makeup.

How long does Pro-Helix C take to show results?

The Skin Diary describes progressively developing results with continued use, with skin appearing more radiant after one week, brighter and more even after one month, firmer and smoother after three months, and noticeably firmer and more elastic with improved radiance and tone after six months.