IBB offers the most diverse, comprehensive coverage of the biotechnology space in the US biotech segment. It tracks a straightforward, market-cap-weighted index consisting of roughly 150. NASDAQ-listed biotech companies.IBB is the largest and most popular fund in the segment, with a staggering $8B+ in AUM.ne downside to IBB is that because it tracks a NASDAQ-listed index, the fund can only hold companies traded on NASDAQ. While most US biotech companies trade on NASDAQ, IBB misses out on current and future biotechnology companies traded on the NYSE, which several of the other biotech funds are eligible to hold.
1 Olive Oil Best for: Very dry skin What it is: Olive oil â particularly extra-virgin olive oil â is a good all-around natural moisturizer and is recommended for dehydrated skin.afflower Oil. Best for: Dry, irritated skin. What it is: The oil of this thistle-like flower contains linoleic acid, or omega-6 fatty acid, which helps your skin make ceramides, a type of lipid that helps the skin hold onto water and prevent dehydration.
Grease up. For itchy, dry skin, the best moisturizer is one that's thick and heavy. Watery, scented lotions are next to useless for dry skin, says Diane L. Kallgren, MD, a dermatologist in private practice in Boulder, CO. I recommend strong, thick creams or emollients.