research Hair perms/straighteners and styling agents
Hair perms or treatments seem safe to use up to 3 to 4 times during pregnancy.
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research Enzymatic Method for Assessing Hair Damage with Reduction and Subsequent Oxidation
Permed hair degrades faster and shows more damage after protease treatment compared to untreated hair.
research Thermal Analysis of the Straight Permed Hair
Straight permed hair loses weight faster than virgin hair when heated, but ends up heavier after burning.
research Hair perming via thiol‐Michael click reaction: A strategy to avoid oxidative damage
A new hair perming method avoids damage and lasts longer than traditional methods.
research A Study on Hair Damage Following the Change of Treating Treatment Procedure when Iron Permanent is Treated
Applying conditioner mid-treatment reduces hair damage during perms.
research The effect of various cosmetic pretreatments on protecting hair from thermal damage by hot flat ironing.
Polymeric pretreatments can significantly reduce hair breakage and damage from hot flat irons.
research Effects of permanent waving on changes of protein and physicomorphological properties in human head hair.
Repeated digital perming with sodium thioglycolate lotion significantly damages hair protein and structure.
research J. Cosmet. Sci., 59, 203-215 (May/June 2008) �Effects of permanent waving on changes of protein and physicomorphological properties in human head hair
Permanent waving damages hair protein and weakens hair, especially with repeated treatments using sodium thioglycolate.
research Effect of thermal treatments on the structural change and the hemostatic property of hair extracted proteins
Heating hair proteins changes their structure and may improve their blood clotting ability.
research Hot comb alopecia.
Hot comb use can cause permanent hair loss on the scalp.
research Hot comb alopecia
Using hot combs can cause permanent hair loss on the scalp's crown.
research 3P343 Change of cell membrane complex of a hair fiber caused by hair damage
Chemical treatments damage hair more than UV exposure, making it thinner and less flexible.
research Progressive hair straightening using an automated flat iron: function of silicones.
The automated flat iron can permanently straighten hair without chemicals, especially at 154°C, and silicone improves the results.
research DSC-investigations of alpha-keratins and the specific effects of chemical treatments on human hair
Chemical treatments weaken hair's thermal stability and structure.
research Restoration Mechanism of Hair Using Hematin as Treatment Agent
Hematin in shampoo helps repair and straighten damaged hair.
research Topographical and Tribological Characteristics of Asian Human Hair Cuticles
Hair damage increases significantly with higher temperatures and longer heating times.
research [Effects of perming, combing and stretching on hair keratins].
Perming, combing, and stretching damage hair by reducing keratin.
research Dilated human hair fiber after exposure to flames for 'split ends' cutting.
The Brazilian candle flame technique can damage hair by melting the cuticle and exposing the cortex.
research Hot Comb Alopecia
Using hot combs can cause permanent hair loss on the scalp's crown.
research Thermal and mechanical transitions in keratins and their relevance for hair cosmetics
High temperatures and cosmetic processes can damage hair keratin, affecting its structure and strength.
research A Study of Effects of Mono Sodium Glutamate (MSG)-based Hair Hardener on Hair Perm
MSG-based hair hardener improves hair thickness, strength, and wave retention after perms.
research Sensitive method using protein loss measurements to evaluate chemicalperm damage to human hair restoration by shampoo
Shampoo D is best for fixing perm-damaged hair.
research 아이론 퍼머넌트 웨이브 시술 시 트리트먼트 처리시점에 따른 모발 손상도 비교
Applying conditioner in the middle of a perm process reduces hair damage.
research Study of Perm-damage to Hair and Protection by Conditioner
Both conditioners help protect hair from perm damage, but their effectiveness varies.
research Microscopic Hair Changes Associated with Hair Coloring, Hair Waving and Hair Ironing in Iranian Women
Hair coloring, waving, and ironing cause more hair damage than not using these treatments.
research What do we need to know about hair straightening?
Modern hair straightening improves manageability and strength while maintaining natural waves.
research Action of Thioglycolic Acid and L-Cysteine to Disulfide Cross-Links in Hair Fibers during Permanent Waving Treatment
Thioglycolic acid and L-cysteine change hair structure differently during perms, affecting hair strength and curling efficiency.
research Chemical modification of keratin fibers using 2‐iminothiorane hydrochloride
2-iminothiorane hydrochloride improves hair waving permanence without damage.
research Straight to the Point: What Do We Know So Far on Hair Straightening?
Hair straightening can damage hair and pose health risks, including exposure to carcinogens and hair loss.
research Thermoporometry measurements of human hair via differential scanning calorimetry
Bleaching hair increases pore size and changes pore structure.