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Nanoparticulate systems improve drug delivery by controlling release, protecting drugs, changing absorption and distribution, and concentrating drugs in targeted areas.

A certain surfactant sticks to human hair, making it change from water-repelling to water-attracting, which could help in hair conditioning.

The new adapalene formulation using TyroSpheres is more effective and less irritating for acne treatment.

Hair fibers interact through classical forces, which are influenced by treatments and products, important for hair care and other applications.

FGF9 controls which receptors it binds to through a process where two FGF9 molecules join, and changes in FGF9 can lead to incorrect receptor activation.

Hair's strength and flexibility come from its protein structure and molecular interactions.

Human hair surface varies in wettability, showing daily and monthly patterns.

Surface and internal treatments can help prevent hair lipid loss during washing.

Lipid-coated silica nanoparticles penetrate human skin more deeply than bare silica nanoparticles.

Niosomes are a promising and effective way to deliver drugs through the skin.

The Cell Membrane Complex in hair has both water-attracting and water-repelling layers.

L-phenylalanine and hydrolyzed eggwhite protein deeply penetrate human hair.

New nanocarriers improve skin drug delivery with low toxicity at certain concentrations.

Hair's internal fibers are arranged in a pattern that doesn't let much water in, and treatments like oils and heat change how much water hair can absorb.

Hair breaks differently when wet or dry and is affected by its condition and treatments like perms and bleaching.

Keratin structure in hair is stable at pH 5-6 but disrupts between pH 6-7.

The developed model can predict effective 5-alpha-reductase enzyme inhibitors.

Hyaluronan is a good drug delivery material because it sticks to mucosal areas and its drug release can be improved by changing its properties.

Surfactants damage hair, but sealing the cuticle can prevent this.

Changing disulfide bonds in human hair affects its melting behavior and thermal stability.

Disulfide bonds are crucial for hair's strength, especially when wet.

Water and fatty acids affect hair's surface differently based on hair damage, and models can help understand hair-cosmetic interactions.

The document concludes that understanding hair's chemical makeup is key to creating effective hair growth products that also improve social confidence.

Minoxidil analogs can be improved for hair growth inhibition by modifying specific parts of their structure.

Disulfide bonds affect the melting behavior of hair's crystalline structure, but hair retains some stability even after these bonds are broken.

Cyclosporine A slowly changes cell membranes, explaining some of its effects and side effects.

18-MEA and SPDA can restore damaged hair's smoothness and reduce frizz.

Four-amino acid part makes enzyme sensitive to finasteride.

Wound dressing absorbs fluid, regenerates hair follicles, and heals skin burns.

The PS-b-PAA copolymer nanomicelles are effective for delivering a cancer treatment drug in photodynamic therapy.