Measured, Not Just Marketed

Most anti-ageing serums sell an ingredient story. A⁶ was tested using precision skin imaging to measure visible changes over 28 days.

Tested for Visible Results in 28 Days

In our 28-day in-vivo study, A⁶ Anti-Ageing Formula was measured using precision skin imaging.

When A⁶ was paired with Vitamin C Booster, the study showed:

Wrinkle volume ↓47.47%
Wrinkle area ratio ↓47.15%
Wrinkle depth ↓44.76%

Skincare should not only feel good. It should be tested.

View Full 28-Day Results

6 Active Formula

Bakuchiol, CycloRetin™, Amplified Argireline™, peptides and advanced hydration support.

Retinol-Free

Designed for visible ageing concerns without relying on retinol.

Sensitive-Skin Conscious

Built for daily use with a barrier-conscious formulation approach.

Device-Measured Results

Tested over 28 days with 3D imaging and lab measurement tools.

6 Synergistic Actives. One Multi-Pathway Formula.Row

A⁶ is not built around one hero ingredient.

It combines Vitamin A Alternatives, advanced peptides and deep hydration support to target visible ageing from multiple angles — wrinkles, texture, firmness and skin radiance.

Vitamin A Alternatives
CycloRetin™ + Bakuchiol
For smoother-looking skin without relying on retinol.

Advanced Peptide Complex
Amplified Argireline™ + Collagen Amino Acids + Multi-Pathway Peptides
For firmer-looking, more elastic-looking skin.

Deep Hydration System
Ultra-Low Molecular Weight Hyaluronic Acid
For plumper-looking texture and lasting skin comfort.

Formulated by a Skincare Formulator, Not a Trend

A⁶ began as a skincare formulator’s personal formula.

After more than 10 years formulating for skincare brands, he understood how often high-performance actives are reduced, removed or replaced because they are too costly for standard commercial formulas.

So he created something different for himself — a formula built around the actives he believed were worth including.

When family and friends began using it, the feedback was clear: smoother-looking skin, improved texture and visible results.

That personal formula became the beginning of 28N.

Built with intention. Designed for visible results.

  • 28N A6 Anti-Ageing Formula 抗老精华，in-vivo tested peptide serum for sensitive skin 敏感肌适用
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A⁶抗衰老配方

¥389.00 CNY
¥389.00 CNY
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What our customers say

I’ve been using the Anti-Ageing Formula A⁶ every night. My skin has been improving and feels noticeably smoother. I really like the texture and how quickly it absorbs into my skin. It feels lightweight and comfortable to wear, and I haven’t experienced any irritation, dryness or unexpected reactions.

Marcel F.

A⁶ quickly became my favourite. I love how smooth, soft and comfortable my skin feels after applying the serums. With continued use, I noticed a significant improvement in the appearance of the wrinkles on my face. I was also very happy to see that the fine lines on my décolletage had noticeably reduced.

Ysabel S.

After two months, my skin looked more even, refined and radiant. Comparing Day 28 and Day 60 photos, the difference was clear.

Tao Tao

Where A⁶ Fits in Your Routine

Apply A⁶ morning and evening after cleansing, as your first treatment step.

For stronger visible results, pair A⁶ with Vitamin C Booster. In our 28-day in-vivo study, A⁶ alone reduced wrinkle volume by 39.08%, while A⁶ + Vitamin C Booster reduced wrinkle volume by 47.47%.

We created the Anti-Ageing Routine to make this pairing simple: Glycolipid Milk Cleanser, Vitamin C Booster and A⁶ Anti-Ageing Formula in one 3-step routine.

Shop the Anti-Ageing Routine

Still Deciding?

Does A⁶ help with under-eye lines or crow’s feet?

A⁶ was tested on the eye-area wrinkle zone using 3D skin imaging. It is designed to support the appearance of fine lines, crow’s feet and visible wrinkle depth around the eye area.

Avoid applying directly into the eyes or too close to the lash line.

Is this actually tested, or just a claim?

A⁶ Anti-Ageing Formula was tested in a 28-day independent in-vivo study on 14 human volunteers, using precision skin imaging and lab measurement devices.

The study measured visible changes in wrinkle volume, wrinkle area ratio, wrinkle depth and skin gloss.

I have sensitive skin — will this irritate me?

A⁶ is designed for sensitive-skin routines and does not rely on retinol.

If your skin is reactive, start slowly and patch test before use.

How is this different from retinol?

A⁶ is retinol-free. It uses Vitamin A Alternatives, including Bakuchiol and CycloRetin™, alongside peptides and advanced hydration support.

The goal is visible anti-ageing results without relying on traditional retinoids.

Ready to See Your Own 28 Days?

Backed by an independent in-vivo study — not just an ingredient list.

Button: Shop A⁶ Anti-Ageing Formula — $79 AUD

Results based on a 28-day in-vivo study on 14 human volunteers, ages 20–55. Individual results may vary.

Patch test before use. For external use only.

Ready to See Your Own 28 Days?

A⁶ Anti-Ageing Formula is backed by a 28-day independent in-vivo study — not just an ingredient list.

Start with one targeted serum for visible ageing concerns, smoother-looking skin and daily skin confidence.

Results based on a 28-day in-vivo study on 14 human volunteers, ages 20–55. Individual results may vary.

Patch test before use. For external use only.

Shop A⁶ Anti-Ageing Formula — $79 AUD