Lavandula angustifolia flower powder: properties, uses, pros, cons, safety
(Lavandula angustifolia; Lamiaceae)
Lavandula angustifolia flower powder is the powder obtained by milling dried lavender flowers. In cosmetics it is used mainly as a fragrance ingredient (a “botanical” aromatic note) and, depending on particle size, it can also contribute to sensorial perception and the finished product’s appearance.
Definition
Lavandula angustifolia flower powder is a botanical material with variable composition (a practical “UVCB” approach): it is not a single molecule, but a plant matrix whose behavior depends on origin, season, drying method, milling conditions, and supplier specifications.
From a formulation standpoint, the most important technical drivers are particle size distribution, microbiological load, residual moisture, odor/color consistency, and compatibility with the matrix (anhydrous vs aqueous).
Main uses
Cosmetics.
Used in “botanical” and sensorial products (soaps, scrubs, masks, body products) where it can support the fragrance function and, when present as particulates, contribute a visual/tactile effect. In leave-on formulas, powder handling requires attention to user comfort (particle feel) and long-term stability.
INCI functions
Fragrance. It plays a very important role in the formulation of cosmetic products as it allows perfume to be enhanced, masked or added to the final product, improving its commercial viability. The consumer always expects to find a pleasant scent in a cosmetic product.
Medicine.
Not a therapeutic active ingredient. In traditional medical medicine it is used as a medical plant in the treatment of inflammation, depression and stress, due to its sedative and anxiolytic action, thrombotic and antimicrobial properties.
Cultivation
Lavender (Lavandula angustifolia) is cultivated in temperate areas. For flower powder intended for cosmetic use, the most relevant factors are supply-chain traceability, drying conditions, and selection criteria (cleanliness, foreign matter, moisture), because these directly affect stability and batch-to-batch repeatability.
For more information: LAVENDER
Key constituents
As a botanical powder, it may contain a variable combination of phytocomplex components and aromatic fractions consistent with lavender, in addition to the fibrous/cellulosic fraction of the plant matrix. Operationally, for formulators the more critical points are: odor, color, moisture, foreign matter, and particulate behavior (sedimentation, perceived abrasiveness).
Nutritional use note and bioactive compounds
Not relevant within the cosmetic scope. Technical interest is mainly related to the sensorial and fragrance impact and to quality management (microbiology and contaminants).
Identification data and specifications
| Characteristic | Value |
|---|---|
| INCI name | Lavandula angustifolia flower powder |
| INCI functions | fragrance |
| CAS number | 90063-37-9 |
| EC/EINECS number | 289-995-2 |
| Molecular formula | not applicable (botanical material / complex mixture) |
| Molecular weight | not applicable as a single value (botanical material / mixture) |
| Typical commercial form | dried flower powder (grade-dependent: particle size, color, odor) |
| Practical quality note | specification on particle size, moisture, foreign matter, contaminants, and microbiological controls per supplier requirements |
Physico-chemical properties (indicative)
| Characteristic | Value | Note |
|---|---|---|
| Material nature | botanical powder | variable composition |
| Water solubility | not applicable as “solubility” | may release water-soluble fractions in aqueous systems |
| Oil-phase solubility | not applicable as “solubility” | may release lipophilic fractions in a limited and variable way |
| Light/oxygen stability | variable | possible odor/color drift over time |
| Moisture sensitivity | relevant | residual moisture can promote degradation and microbiological issues |
| Critical parameters | particle size, perceived abrasiveness, microbiology, contaminants | determine acceptability and stability |
Functional role and practical mechanism of action
In cosmetics, the primary function is fragrance: the powder contributes to the product’s botanical/olfactory perception, with performance influenced by matrix, use level, and organoleptic stability. When present as particulates, it can also affect texture and appearance, making particle size and base compatibility central.
Formulation compatibility
Most relevant practical points include:
microbiological stability, especially in aqueous or high-water formulas
management of sedimentation or uneven distribution in gels/lotions and in non-shakeable packaging
user comfort linked to particle size and the potential for an undesired “scrub” feel
odor/color stability over shelf-life (light, oxygen, packaging)
Use guidelines (indicative)
Use levels depend on the objective (botanical note, visual/tactile effect) and formula type. During development it is advisable to validate: accelerated stability, particulate distribution in final packaging, and microbiological controls consistent with the matrix (leave-on vs rinse-off).
Quality, grades, and specifications
Standardization relies on specifications: particle size (and tolerances), foreign-matter percentage, residual moisture, microbial load, and contaminant limits. Batch-to-batch repeatability is often the decisive factor to prevent sensorial variation and long-term instability.
Safety, regulatory, and environment
Safety must be assessed on the finished product considering concentration, use area, and target population. For botanical powders, practical topics include individual tolerability (reactive skin), risk of mechanical irritation if particle size is unsuitable, and control of contaminants/microbiology depending on the matrix. A GMP framework (good manufacturing practice; benefit: reduces variability and contamination) across the supply chain supports traceability and material control.
Formulation troubleshooting
Sedimentation or uneven distribution.
Action: adjust rheology/viscosity, change particle size or use level, and validate in final packaging.
Odor/color drift or microbiological issues.
Action: select a grade with tighter specifications (moisture/microbiology), optimize preservation, and improve the barrier to light/oxygen with suitable packaging.
Conclusion
Lavandula angustifolia flower powder is a lavender-flower botanical powder used primarily for fragrance and “natural” sensorial positioning. For reliable use, key drivers are: particle size control, quality/microbiology, organoleptic stability, and batch-to-batch repeatability, supported by finished-product safety assessment.
Mini-glossary
UVCB: substances of unknown or variable composition, complex reaction products, or biological materials.
Particle size distribution: dimensional distribution of particles; it affects sensoriality, sedimentation, and user comfort.
Fragrance: the cosmetic function related to perfuming the product and/or the skin.
GMP: good manufacturing practice; benefit: improves quality control and reduces contamination/variability.
