General Ways Styling/Finishing Products Affect Hair Physically:
* Coating the Hair Shaft: Most products, even lightweight ones, deposit a thin layer of ingredients onto the hair's surface. This coating can:
* Add Texture: Create grit and hold, allowing hair to be manipulated more easily.
* Smooth Cuticles: Fill in gaps in the cuticle layer, making hair feel smoother and appear shinier.
* Increase Volume: Create space between individual strands, making hair appear fuller.
* Provide Protection: Act as a barrier against environmental factors like humidity, heat, and UV rays.
* Changing Hair's Elasticity and Flexibility: Some ingredients affect the hair's ability to stretch and bend. This influences how well a style holds its shape.
* Altering Surface Tension: Certain products can reduce static electricity, helping to prevent flyaways and frizz.
* Adding Weight: Heavy products can weigh down fine hair, creating a sleeker, more controlled look. Lighter products are designed to avoid this.
* Changing Hair's Porosity: Some products temporarily affect how readily the hair absorbs moisture, which can impact how well it holds a style.
Specific Products and How They Work to Maintain a Look:
Let's look at how common styling/finishing products achieve these effects:
* Hairspray:
* Physical Effect: Creates a stiff, relatively inflexible film on the hair.
* How it Works: Hairspray contains polymers (long chains of molecules) dissolved in a solvent. When sprayed, the solvent evaporates, leaving the polymers to form a rigid network that holds the hair in place. Flexibility varies based on the type of polymers and their concentration. Some also contain plasticizers to add flexibility and reduce brittleness.
* Hold Maintenance: By physically binding the strands together and restricting movement.
* Gels and Mousses:
* Physical Effect: Create a wet, sticky coating that dries to a firm or pliable hold.
* How it Works: Similar to hairspray, but usually contain more water and film-forming polymers. Gels tend to create a stiffer hold than mousses. Mousses use foaming agents to create air bubbles, distributing the product more evenly for lighter hold and volume.
* Hold Maintenance: The polymers create a bond between hair strands, maintaining the shape and structure of the style.
* Waxes and Pomades:
* Physical Effect: Add texture, definition, and shine with a flexible hold. Can range from light to heavy.
* How it Works: Formulated with waxes (e.g., beeswax, candelilla wax), oils (e.g., mineral oil, coconut oil), and emollients. Waxes provide structure and hold, while oils add shine and flexibility. The heavier nature helps to control frizz.
* Hold Maintenance: The wax creates a flexible but firm hold, allowing for restyling throughout the day.
* Serums and Oils:
* Physical Effect: Smooth frizz, add shine, and protect against heat. Do not generally provide hold.
* How it Works: Typically contain silicones (e.g., dimethicone, cyclomethicone), which create a smooth, slippery layer on the hair shaft. Oils (e.g., argan oil, coconut oil) can penetrate the hair shaft to moisturize and add shine. Heat protectant serums often contain polymers that form a protective barrier against heat damage.
* Hold Maintenance: They don't provide hold, but enhance the overall appearance by taming frizz and adding shine, thus contributing to the polished look of a style.
* Texturizing Sprays:
* Physical Effect: Add grit, volume, and a slightly tousled, undone look.
* How it Works: Contains salt, sugar, or polymers that create friction between hair strands, giving hair a more textured feel and making it easier to manipulate.
* Hold Maintenance: By creating grip, the product allows hair to hold its shape and volume.
* Dry Shampoo:
* Physical Effect: Absorbs oil, adds volume, and refreshes hair.
* How it Works: Contains starch-based ingredients (e.g., rice starch, corn starch) that absorb excess sebum (oil) from the scalp and hair. This reduces greasiness and adds volume by lifting the hair at the roots.
* Hold Maintenance: By absorbing oil, dry shampoo prevents the hair from becoming limp and weighed down, helping to maintain volume and style.
* Root Lifting Sprays:
* Physical Effect: Lifts the hair at the root for added volume and support.
* How It Works: These sprays often contain polymers that create a supportive film at the base of the hair shaft. This film helps prop up the hair, giving the appearance of lift and fullness.
* Hold Maintenance: By providing structural support at the root, these sprays help to maintain volume throughout the day.
Important Considerations:
* Ingredients: Always read the ingredient list. Silicones, while providing shine and smoothness, can sometimes build up on the hair. Alcohol can be drying.
* Hair Type: The best products for you depend on your hair type (fine, thick, curly, straight, oily, dry, etc.).
* Application: How you apply the product makes a big difference. Using too much can lead to product buildup and a stiff, unnatural look. Applying the product evenly ensures optimal results.
* Cleanse Regularly: Regular shampooing is necessary to remove product buildup and keep hair healthy. Clarifying shampoos can be used occasionally to remove stubborn residue.
* Environmental Factors: Humidity, wind, and heat can all affect how well a styling product holds.
In summary, styling and finishing products achieve their effects by coating the hair shaft with ingredients that alter its texture, flexibility, weight, and porosity. Understanding how each type of product works allows you to choose the right products and techniques to create and maintain your desired hairstyle.