Packaging render — product photography follows at launch. A pale amber tint.
Adenosine 0.75% + Redensyl™ 3% Scalp Density Serum
Skandoir Nº 01 is an adenosine scalp serum for night use — Adenosine 0.75% + Redensyl™ 3%, a leave-on lotion. Its hero molecule is adenosine at 0.75%, with Redensyl™ 3%, caffeine, creatine, two hair peptides and PDRN 0.1%. It is for anyone who wants a fast-drying, oil-free night step for the scalp: one pipette across the partings, no rinse.
The night shift for your scalp.
Skandoir Nº 01 is a night serum for the scalp. It carries adenosine 0.75% with Redensyl™ 3%, caffeine, two hair peptides, creatine and PDRN. The texture is a fast-drying, water-light lotion with no oil and no residue.
Nº 01 is the night half of the Skandoir scalp pair; the other half is Nº 02 Adenosine 0.75% + Creatine 1%. See all four serums compared or the full Skin Science collection.
- Texture of Nº 01
- Fast-drying, water-light lotion — no oil, no residue.
- Key molecules in Nº 01
- Adenosine 0.75%, Redensyl™ 3%, Caffeine 0.5%, Creatine 1%, Sodium DNA (PDRN) 0.1%, Acetyl Tetrapeptide-3, Biotinoyl Tripeptide-1, Centella (madecassoside), Ectoin, Niacinamide 2%, Panthenol, Rosemary
- The colour
- Nº 01 is a clear lotion with a natural pale-amber tint from its actives, seen through frosted glass. No dye added.
- Pack
- 50 ml frosted matte-silver glass, silver collar, black rubber dropper with 70 mm scalp pipette.
- Full ingredients (INCI)
- [Final INCI from manufacturer at formula freeze]
- Results
- [Published after our studies report]
Last reviewed: 13 October 2026
How to use Skandoir Nº 01 Adenosine 0.75% + Redensyl™ 3%
Night, on dry or towel-dried scalp: one full pipette (1 ml) across the partings; massage 60–90 s. Do not rinse. Dries in minutes.
In the Skandoir 24-hour ritual, Nº 01 goes on in the night; Nº 02 covers the other end of the day.
Why Skandoir Nº 01 suits Indian skin
Alcohol/glycol vehicle dries in minutes on a humid night; no grease on the pillow; no heavy fragrance.
Inside Skandoir Nº 01 Adenosine 0.75% + Redensyl™ 3%: the key molecules.
Read more on The Skandoir Lab: adenosine and PDRN, the honest version.
Adenosine
A molecule your body already makes — a building block of ATP. Nº 01 uses it at 0.75% in an alcohol-glycol leave-on, the strength and vehicle used in published scalp trials.
Redensyl™
A patented botanical scalp complex. Nº 01 uses it at 3% alongside caffeine, creatine and two hair peptides.
PDRN
Purified DNA fragments — Sodium DNA on the label. Nº 01 carries it at 0.1%, pre-hydrated cold and never heated or sheared.
Skandoir Nº 01 Adenosine 0.75% + Redensyl™ 3%: questions and answers
Does Skandoir Nº 01 leave the scalp oily?
No. Nº 01 is a water-light, alcohol-glycol lotion with no oil. It dries in minutes and leaves no residue on the pillow.
When and how do I use Nº 01?
At night, on dry or towel-dried scalp. Apply one full pipette (1 ml) across the partings, massage for 60–90 seconds and do not rinse.
How many nights does one bottle of Nº 01 last?
About 50 nights. The bottle holds 50 ml and one pipette is 1 ml.
What is Redensyl™ in Nº 01?
Redensyl™ is a patented botanical scalp complex. Nº 01 uses it at 3% alongside adenosine 0.75%, caffeine, creatine and two hair peptides.
Can I use Nº 01 and Nº 02 together?
Yes. Nº 01 is the night step and Nº 02 is the morning mist. Both carry adenosine 0.75%.
Why is Nº 01 in frosted glass?
So you can see what is inside. The frosted matte-silver glass shows the lotion's natural pale-amber tint from its actives; no dye is added. Adenosine and PDRN are light-sensitive, so keep the bottle in its rigid box, out of the sun.