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ELLE editors & hair color experts share the best root touch-up products, from brush-on powders and crayons to sprays and even temporary dyes. The 13 Best Root Touch-Ups to Buy You Time Between ...
The best root touch-up products will help cover root regrowth and gray hairs. Here are the best root touch-ups to maintain hair color, per hairstylists. These All-Star Root Touch-Up Products Make ...
The post The Best Root Touch-Up Kits to Make Hair Color Last Longer appeared first on Reader's Digest. Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 ...
H4 2 6 V & 12 V: 60 / 55 W 24 V: 75 / 70 W P43t Japan Similar US bulb: HB2 (9003) 12V: ECE nominal luminous flux: 1,650 / 1,000 lm ±15% Available with P45t base to upgrade old headlamps designed for R2 bulb H7 1 12 V: 55 W 24 V: 70 W PX26d USA, Japan 12V: ECE nominal luminous flux: 1,500 lm ±10% H8 1 12 V: 35 W PGJ19-1 USA
The first dual-filament halogen bulb to produce both a low and a high beam, the H4 (60/55 W @ 12 V, 1650/1000 lm ±15% @ 13.2 V), [94] was released in 1971 [13] and quickly became the predominant headlamp bulb throughout the world except in the United States, where the H4 is still not legal for automotive use.
The bulb must be made of fused silica (quartz) or a high-melting-point glass (such as aluminosilicate glass). Since quartz is very strong, the gas pressure can be higher, [14] which reduces the rate of evaporation of the filament, permitting it to run a higher temperature (and so luminous efficacy) for the same average life. The tungsten ...