EMULSIFIERS
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Figure 3: Transformation of QSPP into a core-shell capsule around lipophilic ingredients Image of the encapsulated droplet - Before thermal treatment
Optical Microscope/SEM X100 To evaluate the after-feel of these products,
fMRI images of brain activity were recorded while the volunteers touched either a cream- free area or the area where the products had been applied. This pioneering study is the first of its kind to evaluate the sensory impact of a cosmetic ingredient and the results revealed that QSPP activates brain regions linked to pleasant tactile sensations, reward pathways, and relaxation, as depicted in Figure 2. Compared to the benchmark, the emulsion
with QSPP produced elevated brain responses, as shown by four times as much activity in the somatosensory areas, three times as much activity in the wellbeing areas, and two times as much activity in the pleasure and reward areas. These neuroscientific findings were further
corroborated by consumer feedback. In a consumer study, 100 French women (18-65 years-old) asked to use a cream containing QSPP for one week at home and to complete an online product evaluation questionnaire. Participants reported enhanced feelings of wellbeing and a
Image of the encapsulated droplet - After thermal treatment Optical Microscope/SEM X100
noticeable boost in self-confidence after using products formulated with QSPP. In particular, 86% of the respondents
reported that the cream had a very pleasant soft and powdery finish upon application, and 87% indicated that they loved how soft their skin felt after applying the cream. These feelings can be explained by the modified quinoa starch (starch octenylsuccinate) that remains on the surface of the skin and is responsible for the soft and powdery finish. Additionally, the participants showed a
strong interest in purchasing skincare products containing this innovative ingredient. These results were further confirmed by an internal panel of volunteers in Asia. In today’s fast-paced, stress-laden world,
where cosmetics are increasingly seen as tools for mood enhancement and self-care, QSPP stands out as an ideal ingredient for psychodermatology-driven formulations. Its ability to align technical performance with emotional benefits opens new doors for
formulators seeking to create products that not only meet functional needs, but also promote holistic wellbeing.
Simplifying encapsulation, for enhanced ingredient protection and sensory experience When exposed to heat during hot processing, QSPP undergoes a remarkable transformation. The Pickering emulsion particles reorganize, forming core-shell capsules, as shown in Figure 3. This unique characteristic allows QSPP to encapsulate a diverse range of lipophilic ingredients, greatly expanding its potential applications in cosmetic formulations. This encapsulation property is especially
valuable for protecting sensitive active ingredients, such as those that are highly sought after by consumers for their efficacy, but which are notoriously unstable over time. In vitro tests confirmed that QSPP-based encapsulation systems effectively shielded vitamin A palmitate from sunlight-induced oxidation, enhanced the
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sales@asdsoftware.com February 2025 PERSONAL CARE
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