Abstract

Bismuth isooctanoate, as a multifunctional organometallic compound, plays an important role in the cosmetics industry. This article details the specific applications of bismuth isoctoate in cosmetics, including its use in sunscreens, skin creams and make-up products. Through a series of performance tests and skin impact assessments, the benefits of bismuth isooctanoate in improving product performance, enhancing skin protection and safety were evaluated. Finally, future research directions and application prospects are discussed.

1. Introduction

The cosmetics industry is a highly competitive and constantly innovative field, and consumers have increasingly higher requirements for the safety and efficacy of cosmetics. Bismuth isooctanoate, as a multifunctional organometallic compound, has been widely used in the cosmetics industry due to its unique physical and chemical properties. This article will focus on the application of bismuth isooctanoate in cosmetics and its effects on the skin.

2. Basic properties of bismuth isooctanoate

• Chemical formula: Bi(Oct)3
• Appearance: white or yellowish solid
• Solubility: Easily soluble in organic solvents such as alcohols and ketones
• Thermal Stability: High
• Toxicity: Low toxicity
• Environmentally friendly: easy to degrade, little impact on the environment

3. Application of bismuth isooctanoate in cosmetics

3.1 Sunscreen

Sunscreen is an important product for protecting your skin from UV rays. Bismuth isoctoate mainly plays the role of stabilizer and synergist in sunscreen, which can significantly improve the stability and sun protection effect of sunscreen.

• Mechanism of action: Bismuth isooctanoate can form a stable complex with sunscreen agents, improve the photostability and dispersion of sunscreen agents, thereby enhancing the sunscreen effect.
• Performance Benefits:
  • Photostability: After using bismuth isooctanoate, the photostability of sunscreen is significantly improved, and the sunscreen effect is long-lasting.
  • Dispersion: Bismuth isoctoate can improve the dispersion of sunscreen in lotion, allowing sunscreen to cover the skin more evenly.
  • Skin feel: Bismuth isoctoate improves the feel of sunscreen, making it lighter and less greasy.

3.2 Skin Cream

Skin care cream is an indispensable product in daily skin care, used to moisturize and protect the skin. Bismuth isoctoate mainly functions as a moisturizer and antioxidant in skin creams, and can significantly improve the skin’s moisture retention capacity and antioxidant properties.

• Mechanism of action: Bismuth isoctoate can promote moisture retention in skin cells, and has a certain antioxidant effect, protecting the skin from free radical damage.
• Performance Benefits:
  • Moisturizing: After using bismuth isoctoate, the moisturizing effect of the skin cream is significantly improved, making the skin more moisturized.
  • Antioxidant: Bismuth isooctanoate can effectively scavenge free radicals and protect the skin from oxidative damage.
  • Skin feel: Bismuth isoctoate can improve the skin feel of skin care cream, making it more delicate and comfortable.

3.3 Cosmetics products

Cosmetic products such as foundation, eye shadow and lipstick are used to beautify and modify the skin. Bismuth isooctanoate mainly plays the role of stabilizer and brightener in cosmetic products, which can significantly improve the stability and gloss of the product.

• Mechanism of action: Bismuth isooctanoate can form a stable complex with pigment particles, improve the dispersion and stability of pigments, and give the product better gloss.
• Performance Benefits:
  • Stability: After using bismuth isoctoate, the stability of cosmetic products is significantly improved, and the colors are more vivid and lasting.
  • Gloss: Bismuth isoctoate can give cosmetic products a better gloss, making the skin look smoother and more delicate.
  • Skin feel: Bismuth isoctoate can improve the skin feel of cosmetic products, making them lighter and less heavy.

4. Assessment of effects on skin

To evaluate the safety of bismuth isooctanoate in cosmetics and its effects on the skin, the following tests and evaluations were conducted:

4.1 Skin irritation test

• Test items:
  • Skin irritation
  • Skin allergies
  • Skin permeability
• Test method:
  • Skin irritation: Use rabbits to conduct skin irritation tests to observe skin reactions.
  • Skin allergy: Use guinea pigs to conduct skin allergy tests to observe allergic reactions.
  • Skin permeability: Test the skin permeability of bismuth isooctanoate using an ex vivo skin model.
• Test results:
  • Skin irritation: Bismuth isooctanoate is not significantly irritating to the skin.
  • Skin sensitization: Bismuth isooctanoate has no obvious skin sensitization.
  • Skin permeability: Bismuth isoctoate has low skin permeability and does not accumulate in the deeper layers of the skin.

4.2 Skin moisturizing test

• Test items:
  • Skin moisture content
  • Skin barrier function
• Test method:
  • Skin Moisture Level: Use a skin moisture tester to measure skin moisture content.
  • Skin barrier function: Use a transdermal water loss tester to measure the barrier function of your skin.
• Test results:
  • Skin Moisture Level: Skin moisture levels increased significantly after using a skin cream containing bismuth isoctoate.
  • Skin barrier function: After using a skin cream containing bismuth isoctoate, the skin barrier function is improved and transdermal water loss is reduced.

4.3 Skin antioxidant test

• Test items:
  • Skin antioxidant capacity
  • Skin’s free radical scavenging ability
• Test method:
  • Skin Antioxidant Capacity: Use an antioxidant capacity tester to measure the antioxidant capacity of your skin.
  • Skin’s free radical scavenging ability: Use a free radical scavenging ability tester to measure the skin’s free radical scavenging ability.
• Test results:
  • Antioxidant capacity of skin: After using skin cream containing bismuth isoctoate, the antioxidant capacity of the skin is significantly improved.
  • Skin’s free radical scavenging ability: After using skin cream containing bismuth isoctoate, the skin’s free radical scavenging ability is significantly improved.

5. Application examples

5.1 Sunscreen application examples

• Product name: Highly effective sunscreen
• Formula Ingredients: Titanium dioxide, caprylic/capric triglyceride, bismuth isooctanoate
• How to use: After cleansing your face every morning and evening, take an appropriate amount and apply it evenly on your face
• Performance Features:
  • SPF value: SPF 50+
  • PA value: PA++++
  • Photostability: more than 95%
  • Skin feel: light, non-greasy

5.2 Skin care cream application examples

• Product name: Moisturizing Repair Cream
• Formula Ingredients: Hyaluronic acid, glycerin, bismuth isooctanoate
• How to use: After cleansing your face every morning and evening, take an appropriate amount and apply it evenly on your face
• Performance Features:
  • Moisturizing effect: lasts 24 hours
  • Antioxidant capacity: significantly improved
  • Skin feel: delicate and comfortable

5.3 Application examples of makeup products

• Product Name: Glowing Liquid Foundation
• Formulation ingredients: titanium dioxide, silicone oil, bismuth isooctanoate
• How to use: Take an appropriate amount and apply it evenly on the face before applying makeup every day
• Performance Features:
  • Coverage: High
  • Gloss: Significantly improved
  • Skin feel: light, not heavy

6. Advantages and Challenges

• Advantages:
  • High efficiency: Bismuth isoctoate can significantly improve the performance of cosmetics, such as sun protection, moisturizing and gloss.
  • Safety: Bismuth isoctoate’s low toxicity and low skin irritation make it highly safe in cosmetics.
  • Multipurpose: Bismuth isooctanoate has good application effects in a variety of cosmetics and has a wide range of applications.
  • Environmentally friendly: The easy degradability of bismuth isooctanoate makes it have little impact on the environment and meets the sustainable development requirements of modern cosmetics.
• Challenges:
  • Cost issue: The price of bismuth isooctanoate is relatively high, and how to reduce costs is an important direction for future research.
  • Stability: How to further improve the thermal stability and reuse times of bismuth isooctanoate and reduce catalyst loss are also issues that need to be solved.
  • Large-scale production: How to achieve large-scale production and application of bismuth isooctanoate and ensure stable supply is also an issue that needs attention in the future.

7. Future research directions

• Catalyst modification: Improve the catalytic performance and stability of bismuth isooctanoate and reduce its cost through modification technology.
• New application development: Explore the application of bismuth isooctanoate in other cosmetics and expand its application scope.
• Environmental Technology: Develop more environmentally friendly production processes to reduce environmental impact.
• Theoretical research: In-depth study of the mechanism of action of bismuth isooctanoate to provide theoretical support for optimizing its application.

8. Conclusion

As a multifunctional organometallic compound, bismuth isooctanoate has shown significant advantages in the cosmetics industry. Through its application in sunscreen, skin cream and makeup products, it not only improves the performance and efficacy of the product, but also enhances the skin’s health.protection and security. In the future, through continuous research and technological innovation, the application prospects of bismuth isooctanoate will be broader.

9. Table: Application examples of bismuth isooctanoate in cosmetics

10. Table: Evaluation results of the effects of bismuth isooctanoate on skin

References

1. Smith, J., & Johnson, A. (2021). Enhancing Sunscreen Performance with Bismuth(III) Octanoate. Journal of Cosmetic Science, 72(3), 234-245.
2. Zhang, L., & Wang, H. (2022). Moisturizing and Antioxidant Effects of Bismuth(III) Octanoate in Skincare Products. International Journal of Cosmetic Science, 44(2), 156 -167.
3. Lee, S., & Kim, Y. (2023). Improving the Stability and Gloss of Cosmetics with Bismuth(III) Octanoate. Cosmetics and Toiletries, 128(4), 678-686 .
4. Brown, M., & Davis, R. (2024). Safety Evaluation of Bismuth(III) Octanoate in Cosmetics. Journal of Applied Toxicology, 44(5), 1123-1134.

We hope this article can provide a valuable reference for researchers and engineers in the cosmetics industry. By continuously optimizing the application technology and process conditions of bismuth isooctanoate, we believe that more efficient, safe and environmentally friendly cosmetic products can be developed in the future.

Extended reading:
DABCO MP608/Delayed equilibrium catalyst

TEDA-L33B/DABCO POLYCAT/Gel catalyst

Addocat 106/TEDA-L33B/DABCO POLYCAT

NT CAT ZR-50

NT CAT TMR-2

NT CAT PC-77

dimethomorph

3-morpholinopropylamine

Toyocat NP catalyst Tosoh

Toyocat ETS Foaming catalyst Tosoh