38 MARINE INGREDIENTS
funnel structure, characterized by intertwined layers of pores, facilitated a three times faster absorption rate compared to the absorption rates of oil and water.
Conclusion Algica is a natural and sustainable personal care ingredient designed to meet various needs. With five distinct scientific backed claims bundled into one powerful versatile ingredient it represents a new standard for multifunctional skin care. Independent clinical studies have underlined the diverse benefits of the ingredient. At concentrations of 0.1%, it has demonstrated its potential to enhance the SPF of sunscreen formulations, working in harmony with both inorganic and organic UV filters. In vitro studies have shown an average SPF
boost of 23%. At the same inclusion level, it can block 24%-50% of air pollutants such as Nitrogen Oxides (NOx) and Particulate Matter (PM) from penetrating the skin, as evidenced by two in vivo studies. The moisturizing effect of the ingredient
is comparable to that of medium molecular weight hyaluronic acid, and its cleansing effect is at least 10 times more powerful and 3 times faster than a commonly used cleansing ingredient. Furthermore, it holds promise for encapsulation and controlled release of other valuable active ingredients. In addition to its effectiveness, it is
sustainable and ocean-safe. The circular production process ensures that nutrient-rich water that is considered as wastewater from food industries can be used and recycled, and transferred back into the food value chain. Moreover, algae serve as natural carbon
capturers. This multi-functional ingredient supports the industry’s move towards greater environmental responsibility and sustainability while adding value to personal care products.
80 70 60 50 40 30 20 10 0
Easy to apply Figure 5: Sensibility comparison Algica ■ Glycerin ■
40 35 30 25 20 15 10 5 0
PC
References 1. National Geographic. What sunscreens are best for you—and the planet? June 2, 2023
https://www.nationalgeographic.com/travel/ article/sunscreen-destroying-coral-reefs- alternatives-travel-spd
2. Prevention. Are Your Beauty Products Toxic? Here’s Everything You Need To Know. Dec 19, 2017.
https://www.prevention.com/ beauty/a20511204/toxic-beauty-products/ Prevention
3. Huang Y, Cheuk-Fung Law J, Lam T, Sze-Yin Leung K. Risks of organic UV filters: a review of environmental and human health concern studies. Science of The Total Environment. 2021; 755: 142486
4. Aguirre LE, Ouyang L, Elfwing A, Hedblom M, Wulff A, Inganäs O. Diatom frustules protect DNA from ultraviolet light. Nature Scientific Reports. 2018; 8:5138
5. De Tommasi E, Rea I, Antonietta Ferrara M, De Stefano L, De Stefano M, Y. Al-Handal A, Stamenković M, Wulff A. Multiple-pathways light modulation in Pleurosigma strigosum bi-raphid diatom. Nature Scientific Reports. 2014; 14:6476
PERSONAL CARE April 2025
TABLE 1: NORDIC BLUE EYE GEL Phase Ingredients A
B
Aloe Vera Extract Distilled water Distilled water Algica
C
Witch Hazel Hydrosol Distilled water
HYA-ACT™ S D Glycerin Xanthan Gum E F
dermosoft® 1388 Pentylene glycol Lactic acid
G Sodium Hydroxide 45 % INCI
Aloe barbadensis leaf juice powder Aqua Aqua
Silica (algae)
Hamamelis Virginiana Water, Benzyl Alcohol, Dehydroacetic Acid, Aqua
Aqua
Sodium hyaluronate Glycerin
Xanthan Gum
Aqua, Sodium levulinate, Sodium benzoate Pentylene glycol Lactic acid
Sodium Hydroxide
4 5 6 7 6 8 9
Supplier % w/w 1
0.15
2 3
29.82 10.00 0.10
38.00 10.80
0.10 5.00 1.00 3.00 2.00
0.036 q.s
Properties: Before formulation, adjust 100 ml water with Phase G, Sodium Hydroxide to pH 9.5. Weigh all ingredients. Phase A. Mix all ingredients until completely dissolved. Phase B: Add Algica into 10 % of the premixed distilled water at pH 9.5. Stir for approx. 15 minutes until the particles are dispersed. Phase C: Mix all ingredients until completely dissolved. Combine Phase ABC and stir. Mix Phase D and stir gently until the Xanthan Gum is dispersed. Add Phase D to ABC and stir. Measure pH which should be between 5-6, if pH is too high, lower it with a droplet at the time of Phase F Lactic acid. Add Phase E. Mix well. Check pH.
Suppliers: 1. Botanic Healthcare 2. Swedish Algae Factory 3. Berkem 4. DSM 5. Chemrez Technologies, Inc. 6. Cosphatec GmbH 7. Evonik 8. Bioalkemia 9. EMD Performance Materials
36.35 27.61 Absorbed into skin Algica ■ Hyaluronic Acid ■
Liking preferences
1 Figure 6: Hydration mean value after 24 hours
www.personalcaremagazine.com
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