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Eastman

From fixatives to film formers to emollient esters, Eastman innovative solutions help cosmetic formulators to create new products with tangible consumer benefits. Visit this technical center to learn the latest trends and gain easy access to Eastman product solutions, application guides and starting point formulations for skin and sun care, eye and face color cosmetics, hair care, and nail care.

Safe and Effective Nail Care Solutions

Learn more about the latest trends in nail care and Eastman’s variety of products to improve adhesion, gloss, hardness, and drying times in nail polishes and lacquers. Get easy access to product technical data sheets from the application guide below and benefit from Eastman’s starting point formulations for nail care.

Current trends

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Consumers are demanding superior aesthetics and durable performance from their nail care products. They want their nails to look good for five to seven days after a manicure. Nail coatings must be chip and scratch resistant, have excellent color stability, and show good flexibility and adhesion. Application should be simple with self-leveling of brush strokes and high coverage per stroke. The coating should produce the desired level of gloss with an even tone.

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Formulators of nail care products face the challenge of meeting these high consumer expectations while complying with regulations that aim to ensure health, safety, and sustainability. They must strike a delicate balance between competing product attributes. For instance, the volatile content in nail coatings must be reduced to comply with regulations, but doing so may cause the film to dry too slowly and produce a dull finish. On the other hand, films that dry too quickly due to a volatile plasticizer can become brittle, leading to chipping. To meet these challenges, an experienced supplier with a complete range of nail care ingredients can be an invaluable partner for cosmetics formulators.

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Eastman solutions

Eastman has a long history of innovation in the cosmetics industry. It partners with formulators to provide solutions to existing problems and new ingredients that drive the industry into the future. Eastman offers a variety of products to improve adhesion, gloss, hardness, and drying times in nail polishes and lacquers. Its range of adhesion promoters, plasticizers, film formers, and solvents provides a versatile tool kit to formulators that they can draw from. Major performance attributes of Eastman’s nail care ingredients include:
  • Rapid viscosity increase as solvent is released produces fast-drying products.
  • Excellent flow and leveling properties for a smooth and even finish
  • Excellent clarity, low color, and high-gloss films produce the clearest coats and the most vibrant shades.
  • Good pigment wetting and dispersion resists settling and produces an even color.
  • Excellent metallic flake and matting aid orientation for best new looks and effects
  • Nonflammable ingredients ensure product safety.
  • Good adhesion to the nail avoids chipping and flaking.

Application guide

Common applications of the basic Eastman ingredients for nail care products are summarized in the table below. Click on the product name to download the corresponding technical data sheet (TDS), or contact us to request samples.
Type of
ingredient
Product(s)Description
SAIB adhesion promoters Eastman Sustane SAIB, food grade, kosher
Eastman SAIB-90
Eastman SAIB-90EA
Eastman SAIB-100
Eastman sucrose acetate isobutyrate (SAIB) is a low-odor, thermally stable liquid produced by the controlled esterification of sugar (sucrose) with acetic and isobutyric anhydrides. It is compatible with a broad range of resins, plasticizers, and solvents, which makes it especially useful in the formulation of nail lacquers. Eastman SAIB provides the following benefits in this application:
  • Reduced volatile content
  • Good pigment dispersion
  • Excellent leveling of brush strokes
  • Color stability
  • Gloss enhancement
  • Increased coverage per stroke
  • Improved film flexibility and adhesion
  • Chip and scratch resistance
In its pure form, SAIB is a high-viscosity liquid. Eastman offers low-viscosity blends for ease of handling. Eastman SAIB-90 contains 10% Eastman solvents and Eastman SAIB-90EA contains 10% ethyl acetate as the blend component.

Eastman SAIB-90 and SAIB-90EA are useful in the formulation of various types of nail lacquers, including base and topcoats. They can help produce coatings with higher nonvolatile content, resulting in lower solvent requirements and greater coverage. The low solution viscosity of Eastman SAIB allows excellent flow-out on nail surfaces. It helps formulators achieve a good balance of flexibility and film hardness.
Plasticizers Triacetin Eastman triacetin is used as a plasticizer for cellulosic resins and is compatible in all proportions with cellulose acetate, nitrocellulose, and ethyl cellulose. It is useful as a plasticizer in nail polish formulations due to its high solvency power and low volatility. Eastman triacetin imparts plasticity and flow to laminating resins, particularly at low temperatures.
Solvents Eastman methyl acetate, high purity Eastman methyl acetate is a high-purity, mild-odor, active solvent that can be used in a broad range of coatings. Its fast evaporating nature makes is especially suited for use in nail care products. Methyl acetate is exempt from regulation as a VOC under U.S. federal law. It provides fast solvent release and short dry-to-touch time. it can also be used in non-acetone nail polish removers.
Film formers—cellulose ester Eastman cellulose acetate butyrate (CAB) Cellulose acetate butyrate (CAB) is a cellulose ester compatible with numerous cross-linking resins. It produces clear films, reduces surface tack and mottling, minimizes cratering, improves flow, and provides intercoat adhesion with good UV stability. It is used as a film former in nail polish formulations for fast solvent release. Compared to nitrocellulose, cellulose esters are nonyellowing and have excellent clarity and stability. Eastman’s cellulose esters are easily pigmented and meet safety regulations.

Starting point formulations

Eastman’s starting point formulations practically illustrate the use of its ingredients to its customers. These formulations can help cosmetic formulators jump-start their next project based on high performance Eastman ingredients. The formulations may be used to develop new products or as a reference on how Eastman technology can be made a part of your winning formula.
Starting formulation for eye and face cosmetics
Product Key ingredient Download formulation
Chrome/mirror-effect nail polish Cellulose acetate butyrate
Fast-drying, clear
topcoat nail polish
CAB 381-0.5
Eastman ingredients for nail care have been designed to deliver durable performance that meets customer expectations and complies with health and safety regulations. The company’s global team of personal care and cosmetics experts continually seeks new ways of helping formulators improve product performance and the product development cycle. Eastman’s experienced technical support team can help you decide which ingredients are best for achieving your product performance goals and how you can incorporate them into your formulations. To learn more about how Eastman can help enhance performance of your nail care products, contact us today.

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Case Studies from Eastman solutions for the personal care and cosmetics industry

Stable and non-irritating retinoid antiaging skin care with Eastman GEM™ retinyl sunflowerate

Four-page case study details why Eastman GEM™ retinyl sunflowerate offers an attractive alternative to retinol and retinyl palmitate for use in antiaging formulations. Even at low concentration, it is highly effective in reducing the appearance of fine lines, wrinkles, and uneven skin tone.

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Improve water resistance in color cosmetics and sunscreens

At Eastman, you’ll find water-dispersible, film-forming polymers to perfect your water resistance and long-wear products. Eastman advancements in film formation provide improved smudge, transfer, and water resistance in color cosmetics and sunscreens, and Eastman formulations are tunable.

AQ polymers for cosmetics and personal care applications are linear, amorphous polyesters that disperse in water without the assistance of organic solvents, surfactants, or amines. Formulations containing AQ polymers reach a dry-to-touch state after a relatively short dry time.

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Downloads from Eastman solutions for the personal care and cosmetics industry

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