Description
Refresh your scalp overnight with the Activilong Actigro serum with rosemary. This rich serum is made for an evening scalp routine, with a fresh, tonic feel, according to the brand.
Its formula is of 99% natural origin. It combines panthenol, camphor and rosemary essential oil. The brand suggests a 2-month routine: each evening, apply the serum parting by parting onto the scalp, then massage. You can also add a few drops to an oil treatment. The Activilong Actigro serum leaves a cooling sensation.
The bottle holds 130 ml. This Activilong serum suits medium to thick hair. Its texture is rich: the Activilong Actigro serum is applied in the evening, before a wash. It is not suitable for pregnant or breastfeeding women, as it contains essential oils.
Where it fits in your routine
WashShampoo
ApplyThis serum
MassageScalp
Made for
Medium to thick hairScalp that needs a tonic feel
Less suited
Very fine hair
Night-time application
On dry scalp
Formula of 99% natural origin
Our review of this Activilong Actigro serum
Review written by the Aura Capillaire team · Updated on 19 September 2026
We read what buyers of this Activilong Actigro serum say, to pick out what comes up most often, good and not so good.
Strong points
- An overnight scalp care, with a fresh, tonic feel that several users enjoy.
- A fresh, tonic feel: thanks to the camphor and rosemary.
- A formula of 99% natural origin, with panthenol and rosemary.
- A serum with a rich texture, suited to medium to thick hair, according to the brand.
Things to know
- A very greasy texture: even in a small amount, the serum makes hair greasy and can stain the pillow. Apply it in the evening, protect the pillowcase and wash your hair the next day.
- Essential oils in the formula: it is not suitable for pregnant or breastfeeding women. Also check that the bottle is properly closed on arrival.
Where we lean: for an evening routine on thick hair, with a rosemary touch, this is a well-liked tonic serum. For a lighter texture, the Actigro fluid serum below is less greasy. For other products, browse our range of hair serums and scalp care.

Actigro Rich Serum, Actigro Fluid Serum, Weleda rosemary lotion or GoNaturals rosemary oil?
The same rosemary care comes in several versions and from several brands. Here is how this Activilong Actigro serum compares with the three other most-requested versions.
| Care | Format | Texture | Ideal for |
|---|---|---|---|
| Actigro Rich Serum Activilong · this serum |
130 ml | Rich | Thick hair |
| Actigro Fluid Serum Activilong |
— | Fluid | Fine hair |
| Tonic lotion Weleda |
— | Lotion | Everyday use |
| Rosemary oil GoNaturals |
100 ml | Oil | Oil treatment |
The Activilong Actigro fluid serum is the lighter version of the same range. Its fluid texture suits fine hair better. Its title does not state its size. For thick hair, the rich Activilong Actigro serum is more nourishing.
The Weleda tonic hair lotion also relies on organic rosemary. It is applied every day, without a greasy effect. It is less rich in tonic ingredients such as camphor. For an intense evening routine, the Actigro serum is more complete.
The GoNaturals rosemary oil is an oil in a 100 ml bottle. It is mainly used as an oil treatment. Its title does not detail its composition. The Actigro serum combines rosemary with panthenol and camphor.
Your questions about this Activilong Actigro serum
Does the Activilong Actigro serum make hair greasy?
Yes, its texture is rich and leaves hair greasy. Apply it in the evening, onto the scalp, and wash your hair the next day. The fluid version of the range is lighter.
Activilong Actigro serum: how do you use it?
The brand suggests a 2-month routine. Each evening, apply it parting by parting onto the scalp and massage. It is not suitable for pregnant or breastfeeding women.
What is the difference between Actigro Rich Serum and Fluid Serum?
The Rich Serum is thicker and aimed at medium to thick hair. The Fluid Serum is lighter and less greasy. Both rely on rosemary.
Find more serums for the scalp in our hair serums.
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