Uma There, JJ Anjali, Srijal Srivastva, Mary Shilna, Rajashree Saoji and Vibha Kapoor

The present study focuses on the formulation and evaluation of natural cream blushes using plant-based pigments derived from red sandalwood (Pterocarpus santalinus) and beetroot (Beta vulgaris). Three formulations were developed: F₁ (beetroot pigment), F₂ (red sandalwood pigment), and F₃ (a combination of both). These natural pigments were extracted using simple, extraction methods and incorporated into a cream base to replace synthetic colorants in cosmetics.

All formulations were evaluated for physical characteristics (appearance, color, odor, texture), physicochemical parameters (pH, total fatty content, residue, thermal stability), microbial, and dermal compatibility. Additionally, FTIR spectral analysis was conducted to confirm the stability and integration of bioactive pigments within the cream base. The results confirmed that all cream blushes exhibited smooth texture, stable pH (6.88-7.45), good thermal stability, and absence of skin irritation. Heavy metal content (lead and arsenic) and microbial load were within permissible cosmetic limits, ensuring product safety. FTIR analysis revealed the presence of functional groups (O-H, C=O, C=C, C-H, and C-O), indicating successful incorporation of pigments without degradation with the cream base. Among the formulations, F₃ exhibited a rich pink shade with slightly moderate color stability compared to F₁ and F₂, which remained more stable.

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